Feature: 1. Remote Control: Control your smart door and window security through an app and USB power for Thread technology, allowing for easy and flexible operations. 2. Real Time Inform: Real time notification observe the status of doors and window, receive instant push notifications on your phone when the door opens or closes. 3. Tamper Proofing Functionality: Tamper proof function detects any external tampering and sends notifications to your phone to ensure the safety of your doors and window. 4. Multi Functional: The door window sensor features a simple open close button, supports multiple platforms and mutual brand linkage, control conveniently through the app or third party. 5. Enhanced Security: With a combination of remote access, sensitive alerts, and tamper proof features, the sensor provide a comprehensive solution for securing your home. Specification: Item Type: Door Window Sensor Material: ABS Power Supply: Built in one CR123A 800mAh battery (shipped with built in battery) Charging Voltage: 5V Features: Detection of door window open close status Alarm on off button Supports for Matter protocol, multi platform operations, mutual brand linkageSupports App remote control and third party voice control Wireless Protocol: for Thread Wireless Frequency: 802.15.4 MAC/PHY at. 2.400 - 2.483GHz Wireless Distance: Approx. 45m/147.63ft Operating Temperature: 0℃ - 50℃ (32℉ - 122℉) Operating Humidity: 1% - 85%RH (non condensing). Package List: 1 x Main Body of Door Sensor 1 x Auxiliary Body of Door Sensor 2 x Double Sided Adhesive 4 x Screw 4 x Wall Plug 1 x Charger 1 x Instruction Manual Note: If a third party supports for MATTER, it is not necessary to use a for Matter hub. If not supported, another for Matter hub will need to be purchased.