Backup Battery
CR2 900mAh 3V
WiFi Transmitting open distance
IEEE 802.11 b/n/g 2.4G Hz
Support Voice Control
Work with Amazon Alexa/Google Assistance/IFTTT
Support open/close status Push
Detece open/close status of the door/window + Detect vibration
Support
Low-battery detection
Certification
CE, FCC,RoHS,ISO9001