1. Sticky and ready-to-use sticky installation: it can be flexibly placed on doors, windows, drawers, etc., without the home structure and appearance2. Real-time monitoring of the opening/closing of doors and windows: After installing the sensors, you can remotely know their opening and closing status through the mobile APP3. Mobile phone message push: When the status of the door and window changes, the mobile APP can receive the message push in real time, and calmly deal with abnormal situations4. Linkage smart scene: When there is , strangers break in, gas leaks, water pipe rupture and other hazards. When and windows are closed, the home warning smart scene will automatically open, comprehensively detect abnormal movements in the home, and the of family members and propertyWorking voltage:3 (V)Alarm current:15 (mA)Static current:10 ()Working temperature:-10C-+50C (C)Scope of application:homes, shops, office buildings, warehousesType:Other Alarm DetectorsModel:-DY-MC500AInstallation :SMTLaunching distance:100 (meter)Action distance:150 (mm)Communication :wirelessWeight:40 (g)Order number:-DY-MC500AColour:WhiteMaterial:plasticSize:70x24x16mmPackage Contents:1 pair * sensors1 * English manual1 * Installation accessoriesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.