Tuya WiFi Smart Door Magnetic Sensor Alarm Door Window On-Site Alarm Sensor Support Amazon Alexa/Google Assistant •Battery-Powered Convenience: Operates with 2 AAA dry batteries,making installation simple and maintenance easy •Real-Time Monitoring: Check the status of doors and windows in real-time,ensuring your home is always secure •History Records: View the history of door and window activity through the Tuya Smart App,keeping you informed of all events •Smart App Notifications: Receive instant alerts on your phone via the Tuya app,keeping you updated on any changes •Voice Assistant Compatibility: Supports Amazon Alexa and Google Assistant for seamless integration into your smart home ecosystem •Versatile Applications: Ideal for doors,windows,drawers,etc. •Low Battery Alerts: Get notified when the battery is running low,ensuring uninterrupted protection •Smart Automation: Create intelligent interactions with other smart devices in your home for enhanced security •Loud Alarm: The alarm emits a sound of up to 90dB within 1 meter,effectively alerting you to any unauthorized access Specifications: •Static Current: ≤55uA •Low Voltage Alarm: ≤2.4V •Magnetic Control Distance: ≤15mm •Operating Temperature: -10℃~+50℃ •Battery: 2 x AAA battery (not included) •Alarm Current: ≤180mA •WiFi: 802.11 b/g/n •Sound Level: ≤90dB at 1 meter •Operating Humidity: Maximum 95% RH Package included: •1 x Sensor •1 x Host •1 x English and Chinese User Manual