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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Networking
Communication range
equipping dual 2
Temperature
Sensor - Lorawan Smoke Detector Connectivity technology:Wireless NetworkingRA02A is a smoke detection alarm. RA02A has a built in photoelectric smoke detector and buzzer. It can detect the smoke density in the environment and sound alarm when the smoke density exceeds the default value. At the same time, the alarm data can be transmitted to other devices for display. RA02A adopts SX1276 wireless communication module. Electric: Input power 2 x1. 5V AAA alkaline batteries Operating Voltage Range 2. 3V 3. 3V Low Battery Voltage
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