Smart Home Alarm Security Sonoff PIR2 433Mhz RF PIR Motion Sensor Alarm System for Alexa Google Home

Specifications for Sonoff RF Bridge

• Power Supply: USB 5V
• Wireless Standard: WiFi 802.11b/g/n, 433MHz
• Security Mechanism: WPA-PSK/WPA2-PSK
• Product Dimensions: 62*62*20 (mm)

Features for Sonoff DW1 Sensor

• Ultra-low power magnetic dedicated microprocessor
• Supports wireless frequency of 433.92MHz
• 200m wireless transmit distance
• Built-in antenna provided
• Less than 1μA quiescent current

Specifications for Sonoff DW1 Sensor

• Support Battery: 12V 23A 
• Wireless frequency: 433.92MHz
• Protocol: EV1527
• Quiescent current: <= 5μA
• Emission current: <=10mA
• Operating environment: -10-50 Celsius temperature (14-122Fahrenheit degree)
• Product Size: 77*49.5*18.8mm
• Battery: length 27mm, diameter 10mm, this model doesn't come with battery
• Weight: 45g

Features for Sonoff PIR2 sensor

• Dual infrared 
• Ultra-low power microprocessors
• Double temperature compensation technology
• Robust and durable, suitable for homes, offices, sheds, garages etc.
• Easy installation and set-up, wall-mounted

• Transmit distance: 150m (open)
• Voltage: 3V (2*AA)
• Standby current:<= 9μA
• Alarm current: <=10mA
• Wireless frequency: 433.92MHz
• Wireless Transmit Code: 1527Mhz (default)
• Detection distance: 12m 25 Celsius temperature
• Detection angle: 110 degrees
• Maximum coverage area: 12m*12m
• Alarm indicator light: on for 3 seconds
• Working environment: indoor
• Tamper switch: normally closed
• Anti-white light intensity: 10000Lux
• Packing size: 165*65*50mm
• Product Size: 120*62*46mm
• Battery type: 2*AA (Note: this model doesn't come with battery)
• Weight: 120g

Works With Amazon Alexa