Smarsecur Smart Tuya Door Sensor WIFI Remote Control USB Charging Alarm Sensor Work with Amazon Alex

Features: 1. Door and window switch. Mobile App Remote Notification 2. Simple and convenient to use 3. Support intelligent voice control such as Amazon Alexa, Google Assistant, IFTTT, etc. 4. Display power, alarm management, alarm query 5. Query history 6. Mini portable size
Specification: Product size: 70*20*16MM Color box size: 75*22*18MM Product net weight: 65g Product gross weight: 70g
Packing lncludes: 1 * WiFi lithium battery door sensor 1 * Double-sided tape 1 * Manual ?