R718UBB all-in-one series is a ClassA ty...
It can detect the movement or vibration ...
EM500-CO2 is designed for measuring CO2,...
The R718EA is a Wireless Tilt Angle and ...
The R312A is an emergency button switch device that detects the closing or opening signal of the emergency button switch and sends an alarm signal to the gateway for processing. It uses the SX1276 wireless communication module.