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