Door Window Security Alarm- ZWS713
door window security alarm lets you know if doors and windows are open or closed
door window security alarm Leading developer of low-power, high-reliability wireless solutions
door window security alarm is a variety of smart wireless security, sensing or home automation devices.
battery level report
Battery: 1pc * CR2450 3.0V (not included)
Range: Minimum 30m line of sight / 100 feet