Description

smart door magnetic sensor with alarm and voice control by Amazon Alexa or Google Assistance.

Support scene linkage;
Door close/open alert, low battery
alert ,user-defined switch alert, vibration alert, support wired NO or NC
alert ;
History query;
Low power consumption

Technical details:

input Voltage: DC3V CR2
Product size: 76x31x20mm (transmitting case) & 38x12x11mm(Magnetic strip)
WiFi frequency:  2.4GHz