Smart Door Window Alarm WiFi Sensor Wireless Home Security Alarm System DIY Kit for Homes, Cars, Sheds, Caravans…

Features:
Free APP mode, for Tuyasmart, one-click WiFi or AP mode to connect wifi. Long transmission distance, up to 45 meters, and strong network signal. Can work independently without hubs and is compatible with Alexa and Google home. Ultra-long standby time. Built in batteries, of which standby time last for 5 years. By connecting WIFI (2.4G only) and mobile phone connection, alert will be pushed to mobile phone via APP when the abnormal status detected.

Specifications:
Battery: 1 * CR2  (included)
Standby Current: <5uA
Protocol: IEEE 802.11b/g/n Wireless Range: 45m
Working temperature: – 10℃  ~40℃ (- 14 F ~ 104 F)
Working humidity: 20%~85%
Storage temperature: – 10 ℃ ~60℃  (- 14 F ~ 140 F)
Storage humidity: 0%~90%
Standby time: 6-10 months
Wireless type: 2.4 GHz
Size: 
Main body: 9.3*4.0*20cm/3.7*1.6*0.8in
Appendix: 9.3*1.3*2.0cm/3.6*1.3*2.0in
Package Weight: 80g/2.8oz

Package List:
1 Set * Intelligent Sensor (Batteries Built In)
1 Set * Sticker
1 * User Manual
1 * Installation Kit

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Free APP mode, for Tuyasmart, one-click WiFi or AP mode to connect wifi. Long transmission distance, up to 45 meters, and strong network signal.
Silent door alarm wifi can work independently without hubs and is compatible with Alexa and Google home. Ultra-long standby time
Built in batteries, of which standby time last for 5 years. By connecting WIFI (2.4G only) and mobile phone connection, alert will be pushed to mobile phone via APP when the abnormal status detected.
This smart burglar alarm has a very comprehensive performance, can connect Alexa and Google family, achieve sound control, operation is very simple, the quality is very good, is a good helper to protect your home security!
1 Year Free Warranty + Lifetime Technical Support NO RISK of PERSONAL INFORMATION. IF YOU HAVE ANY PROBLEMS(like refund,return,replace,etc), please feel free to contact us.We will reply you within 24 hours.