Smarthome Wifi and GSM Wireless Alarm Kit

GSM + WiFi double netword, Smart Life (Tuya) App intelligent control
Supports Alexa, Google Assistant Control
Build-in backup battery for all devices
Support Max. 100 sensors
History record included: Gateway, Door Sensors, PIR, Remote Controller
All sensors name editable, easily recognized by push and history records
PIR/door sensors show real status page, also with door open remind
PIR/door sensors montitored to make sure on/off/low battery status
OTA support for upgrade if any new firmware or new function launched