Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : SanJie BulletPoint1 : Easy to Use--Once the door/window alarm is installed, the receiver will chime to notify you when someone opens the door/window.Gives you peace of mind and reassurance BulletPoint2 : Easy to Install--Wireless door chime is paired by default. Simply stick the door sensors where you want them and the receiver into an outlet at a suitable distance. Turn on the switch of the door sensor and you can use it right away BulletPoint3 : Multiple Choices of Chimes and Volume--13 Different chimes and 5 levels of volume (0-110dB). You can choose the duration of the chime: 8s, 16s, and 12min. Especially, the chime can be paused by pressing any key on the receiver BulletPoint4 : Battery Powered--The receiver of the door alarm is required to be plugged into an electrified outlet, and the sensor is has been built in with 1 x 12V 23A alkaline battery that will last for approximately 1 year BulletPoint5 : Widely Applicable--Door alarms can be used in multiple places such as homes/apartments/offices/rental homes/RVs Color : White ControlMethod1 : touch ControlMethod2 : application ItemName : SanJie Door Window Open Alarm,Door Chime Alarm Sensor for Home Security/Kids Safety/Business,Entry Alert Chime,600Feet Range,13 Chimes 5 Volume Levels,3 Choices of Ring Duration,2 Receivers 2 Sensors ItemPackageDimensions_Height : 11.1 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemShape : Ellipse ItemTypeKeyword : home-security-systems Manufacturer : SanJie Material : ABS ModelNumber : CC26+DS16 NoiseLevel : 110 decibels PartNumber : CC26+DS16 PowerSourceType : Battery Powered ProductDescription : SanJie Door and Window Alarm Sensors that automatically sound an alarm when the magnetic stripe separates so you can be notified quickly to protect you and your home/business property. There are 13 ringtones and 5 levels of volume to choose from, as well as the length of time it will ring. Easy to install and simple to operate. ProductSiteLaunchDate : 2023-06-01T02:06:01.015Z Size : 2 plug-in receivers 2 door sensors SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable UnspscCode : 46171600 Voltage : 110 volts