Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : Chatthen BulletPoint1 : 【Door Sensor that Alerts Your Phone】When door/window is opened , door alarm emits 120dB alarm to deter thieves and flashes red light to attract attention, then sensor will push instant alarm notification to your smartphone. BulletPoint2 : 【Advanced System】The contact sensor comes with a setup button, one button switch mode arm/disarm, 4 volume options. No need for extra remote control, Smart Life APP supports all settings, including volume switching, alarm time setting, on/off button, low battery reminder, timer setting and more smart options. BulletPoint3 : 【Home Smart Linkage】 Smart door sensor is programmable with other Tuya Smart Life Devices. To turn on / off your smart home devices automatically by connecting the smart window door sensor with your other smart home devices. For example, your home will be lighted on automatically when you open the door as you get home from work. BulletPoint4 : 【AAA Battery Powered】eMylo window sensors are AAA battery-powered for a long-lasting performance. It is used to detect whether doors, windows, drawers and so on are opened or moved in your absence. When the battery is running out, you will receive an App notification. AAA batteries not included in the box. BulletPoint5 : 【Easy Installation】 No tools required. Comes with adhesive tape. Install anywhere using adhesive tape. You can install the door sensor on front doors, garage doors, liquor cabinets, safety deposit box, pet doors and more. Please note that the door magnet is installed at a distance of no more than 0.7cm. BulletPoint6 : 【Easy to Install】The package comes with both metal screws and 3M tape. You can use screw in install it on the door or use the 3M tape to stick it on. The directions of the two arrows are close, and the distance between the two components should be as close as possible. NO EXTRAL HUB REQUIRED. Color : White 1 Pack CompatibleDevices : Smartphones, Tablets with Smart Life/Tuya Smart apps ConnectivityTechnology : Wireless ControlMethod : touch ControlMethod1 : touch ControlMethod2 : application ExternallyAssignedProductIdentifier : 5056546909807 ExternallyAssignedProductIdentifier1 : 727209779680 ExternallyAssignedProductIdentifier2 : 0727209779680 Hazmat1 : LITHIUM METAL BATTERIES PACKED WITH EQUIPMENT Hazmat10 : DE_SmallLithiumMetalBatteryWithEquipment Hazmat11 : EG_SmallLithiumMetalBatteryWithEquipment Hazmat12 : ES_SmallLithiumMetalBatteryWithEquipment Hazmat13 : FR_SmallLithiumMetalBatteryWithEquipment Hazmat14 : GB_SmallLithiumMetalBatteryWithEquipment Hazmat15 : IN_SmallLithiumMetalBatteryWithEquipment Hazmat16 : IT_SmallLithiumMetalBatteryWithEquipment Hazmat17 : JP_SmallLithiumMetalBatteryWithEquipment Hazmat18 : MX_SmallLithiumMetalBatteryWithEquipment Hazmat19 : NL_SmallLithiumMetalBatteryWithEquipment Hazmat2 : UN3091 Hazmat20 : PL_SmallLithiumMetalBatteryWithEquipment Hazmat21 : SA_SmallLithiumMetalBatteryWithEquipment Hazmat22 : SE_SmallLithiumMetalBatteryWithEquipment Hazmat23 : SG_SmallLithiumMetalBatteryWithEquipment Hazmat24 : TR_SmallLithiumMetalBatteryWithEquipment Hazmat25 : US_SmallLithiumMetalBatteryWithEquipment Hazmat26 : ZA_SmallLithiumMetalBatteryWithEquipment Hazmat27 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumMetalBatteryWithEquipment Hazmat5 : AU_SmallLithiumMetalBatteryWithEquipment Hazmat6 : BE_SmallLithiumMetalBatteryWithEquipment Hazmat7 : BR_SmallLithiumMetalBatteryWithEquipment Hazmat8 : CA_SmallLithiumMetalBatteryWithEquipment Hazmat9 : CN_SmallLithiumMetalBatteryWithEquipment IncludedComponents : English manual InstallationType : Self-Adhesive ItemName : eMylo Door Alarm, 120dB Door Alarms When Opened, WiFi Door Sensor with Alarm Light, Compatible with Smart Life app and Tuya Smart, Alarms for Home Kids Safety, 1 Pack ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 5.3 centimeters ItemTypeKeyword : home-security-systems Manufacturer : eMylo MaximumRange : 40 meters ModelName : CSAF869 ModelNumber : CSAF869 MountingType : Door Mount NoiseLevel : 120 decibels NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : CSAF869 PowerSourceType : Battery Powered ProductDescription : Package Includes: