1)Adopt Zigbee HA1.2 standard protocol with good compatibility
2)Ultra-low power consumption design, battery life up to 24 months
3)Real-time monitoring of door/window closing/opening
4)Double reed sheet switch design, suitable for doors and Windows in different directions
5)Support anti-demolition alarm
6)The battery is easy to take and replace
7)Remind and report the low voltage of the battery
8)Tool-free installation design
9)Fashion and concise appearance design, with appearance patent