
Reference: RBD-1354
Jumper Wire Single 20cm
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: 1353
Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
Enhance your home security with the SONOFF DW2-RF, a smart 433MHz wireless sensor designed to monitor the open/close status of your doors and windows in real-time. Ideal for any smart home system, this sensor works in conjunction with the SONOFF RF Bridge (required) to deliver timely app alerts, smart automation, and peace of mind.
Enhance your home security with the SONOFF DW2-RF, a smart 433MHz wireless sensor designed to monitor the open/close status of your doors and windows in real-time. Ideal for any smart home system, this sensor works in conjunction with the SONOFF RF Bridge (required) to deliver timely app alerts, smart automation, and peace of mind.
Product Description:
The SONOFF DW2-RF is a compact, battery-powered wireless sensor that detects the status of doors and windows using a 433MHz RF signal. When paired with the SONOFF RF Bridge and eWeLink app, it allows you to monitor entrance points remotely, trigger smart scenes such as turning lights on/off, and receive instant notifications when doors or windows are opened. With its easy 3M adhesive installation and low power consumption, the DW2-RF offers a hassle-free and reliable solution to enhance home safety.
Key Features:
Real-Time App Alerts: Instantly notifies you when a door or window is opened—stay informed even when you're away.
Smart Automation: Customize scenes to trigger lights, alarms, or cameras upon entry detection using the eWeLink app.
Camera Integration: Link a security camera or smartphone to visually verify intrusions or visitor activity.
Low Power Consumption: Energy-efficient design with up to 2 years of battery life (batteries not included).
Easy Tool-Free Installation: Comes with 3M adhesive backing for quick setup on any surface.
Device Sharing: Share access with family members so everyone receives alerts when the sensor is triggered.
Historical Logs: Access up to 3 months of event history within the app to review past activities.
Flexible Mounting: Works in vertical, horizontal, or upside-down positions—as long as the magnetic gap is within 5mm.
Technical Specifications:
Model: SONOFF DW2-RF
Wireless Frequency: 433MHz
Power Supply: 2 x AAA batteries (not included)
Communication Protocol: RF433 (requires SONOFF RF Bridge)
Installation: 3M adhesive (no tools needed)
Working Distance (Magnet): ≤5mm
App Compatibility: eWeLink (iOS & Android)
Battery Life: Up to 2 years
Applications:
Home entrance doors
Balcony windows
Office cabinets or lockers
Warehouse security
Smart lighting automation
Elderly care monitoring systems
Package Includes:
1 x SONOFF DW2-RF Wireless Door/Window Sensor
Note: Batteries and SONOFF RF Bridge are not included.
Why Choose SONOFF DW2-RF?
It’s more than just a sensor—it’s your first line of defense. With seamless smart integration, low maintenance, and a compact design, the SONOFF DW2-RF is perfect for turning any door or window into a smart entry point. Reliable, responsive, and essential for any modern smart home.
Secure your space today—add SONOFF DW2-RF to your smart home system now!
The latest price of SONOFF DW2-RF 433MHz RF Wireless Door/Window in Bangladesh is BDT 1,350 You can buy the SONOFF DW2-RF 433MHz RF Wireless Door/Window at best price from our RoboticsBD or visit RoboticsBD Office.
Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
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Reference: RBD-3110
Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0Random: Variants May Include Old or New Capacitor
Reference: RBD-0264
Brand: SparkFun Electronics
Lockitron Mechanical Assembly The Lockitron Mechanical Assembly from SparkFun is a perfect solution for the DIY home automation or Internet of Things (IoT) enthusiast, whether you want to make your life easier by not awkwardly fumbling with keys or add some extra security in your home with three-factor authentication.
Reference: RBD-0814
Brand: Sonoff
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Reference: RBD-1726
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Reference: RBD-3408
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Reference: RBD-2717
Double-Relay Version Specified Program Monitoring Scheduled Restart Website Monitoring Video Card Monitoring
Reference: RBD-1825
Wireless Baby Sound Monitor Two-way Intercom Night light Baby Unit can be powered with provided power adapter Parent Unit is rechargeable. Night Light. 2 Way Intercom.
Reference: RBD-2550
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Reference: RBD-3554
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Reference: RBD-1348
Easy to install. Automatic, convenient, safe and practical. It has the function of power and detection indication. The motion sensor can identify day and night automatically.
Reference: RBD-2124
Brand: Sonoff
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Reference: RBD-2395
Brand: Hi-Link
24 GHz mmWave Radar Sensor: Tracks up to 3 moving targets with precise motion localization. Compact Design: Ultra-small size (15mm x 44mm) for versatile applications in smart devices. High Precision: Detects motion, distance, angle, and speed with advanced FMCW radar technology. Environmental Adaptability: Functions reliably in varying conditions,...
Reference: RBD-3496
The TRM01 Multifunctional Timer Relay Module is a versatile and compact timing solution designed to provide precise control for various automation tasks. Operating at 5V, this module offers multiple timing functions including ON delay, OFF delay, auto-lock, and trigger delay, making it highly adaptable for a range of applications such as motor control,...
Reference: RBD-2141
Rating contract (Max.): 10 W Switching power supply (Max.): 110VDC Resistance contract (Max.): 100 Ω Appro. Float Ball Size (mm) : 24×17 (LxD) Body Total Length (mm) : 85 Cable Length (cm) : 37 Total Float opening: 70° Switch ON/OFF angle Approx. betn 15° to 20°
Reference: RBD-2108
Multiple Outputs: 5V+9V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.
Reference: RBD-1773
Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...
Reference: RBD-1017
Brand: Sonoff
Input: AC 100-240V 50/60 Hz 5A Output: Light: AC 100-240V 50/60 Hz 3A, Fan: AC 100-240 V 50/60 Hz 2A Max Rf Frequency: 433.92 MHz Turn on/off ceiling fan and light using your voice Support the RM433 RF to control devices (RM433 RF included) Share the device and manage it with your family together Display the real-time device status on the app Check out...
Reference: RBD-3118
Brand: Sonoff
The SONOFF Basic R4 is a powerful smart switch module equipped with an upgraded ESP32 chip, enhancing performance and basic functions while maintaining a budget-friendly price. Ideal for automating home lighting and other devices, this switch offers multiple smart control features, making it an essential component in modern smart home setups.
Reference: RBD-3410
Brand: Sonoff
Compact Design: Fits standard recessed boxes. WiFi Control: Manage devices via app. Scheduling: Automate on/off times. Voice Activation: Compatible with Alexa and Google Assistant. Real-Time Monitoring: Check device status in the app. Easy Installation: Plug-and-play; keeps existing switch functionality.
Reference: RBD-3497
The 5-60V Real Time Delay Timer Relay Module is a versatile and intelligent timing control device designed for complex automation tasks. Equipped with a bright LED display, this module offers a wide voltage input range from 5V to 60V, multiple customizable time periods, and advanced features such as a buzzer alarm, multiple output modes, and sleep mode...
Reference: RBD-1868
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Reference: RBD-2060
3.5 Inch IPS TYPE-C Secondary Screen CPU GPU RAM HDD Monitoring USB Display
Reference: RBD-2313
E18-D80NK Adjustable Infrared Proximity Sensor Switch with a 3-80cm detection range Compact and low-cost sensor with built-in transmitter and receiver for digital output Operates at 5V DC with low power consumption (300mA) Adjustable detection distance with TTL digital output for obstacle detection Ideal for robots, interactive media, industrial assembly...
Reference: RBD-1680
Electric Bolt Lock 12VDC Ultra-Low Power Design, More Durable and more environmentally friendly. 500,000 times power lock durability High strength aluminum lock body, stainless steel bolt.
Reference: RBD-2205
High accuracy. Light weight design. Widely used for advertising light board, street lamp, oven, broadcasting equipment and electric appliance etc.
Reference: RBD-2892
Model: SNA118 Material: Plastic Plastic Type: PC Tool Supplies: CuttingDoes not Include ESP Wireless Module
Reference: RBD-1526
Brand: Sonoff
Can control up to 2 device 220V Model : T3EU2C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...
Reference: RBD-2204
The THC15A Electronic Digital Timer Switch is a relay control device that can be used to switch on and off electrical devices at preset times. It can work with a wide range of voltage outputs, including 220V, 12V, 24V, and 110V, making it versatile and adaptable to different systems and devices. It features an easy-to-use digital interface and a wide...
Reference: RBD-3324
The XH-M203 Automatic Water Level Controller Module is an intelligent and efficient solution for managing water levels in tanks, pools, and reservoirs. Designed for automatic water level monitoring and pump control, this module eliminates the need for manual intervention. When the water level drops below a set threshold, the module activates the pump to...
Reference: RBD-3604
The Infrared Sensing Relay Module is a highly adaptable and intelligent motion detection solution designed to detect human presence and activate a relay accordingly. It features dual operational modes, adjustable sensitivity, and customizable delay timing, making it ideal for automation, lighting control, smart appliances, and energy-saving systems....