GKB AA103 Z-Wave 4 in 1 Multi-Sensor

Features:

• 4 functions in 1 device: (1) Door/window (2) PIR(3) illumination (4) temperature
• Adopt newest Z-Wave 500 series chip
• Adopt 1500mA CR123A lithium battery, to guarantee2 year battery life
• Easy install
• Auto report the open/close status and battery status in mobile APP specification