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Door alarms or window alarm sensors 120dB alerts a person to a door or window opening. Please note this alarm does not work on uneven surfaces.For Kids Safety Prevent children going out the house without notice. Also ideal entry door alarm for your home, office, apartment, garage and so on. Once the alarm and magnet are separated more than 0.39 inches 1cm, the alarm siren keeps going until you close the door.Ultrathin door and window alarm sensors with 2 adjustable settings offon.3xLR44 batteries included. 120dB Loud Door and Window Sensor Alarms,designed to alert caregivers when children or seniors with dementia or Alzheimers try to open doors or windows unsupervised.Easy installation, No wiring needed No screws needed Included double sided tape Note Keep the installation area clean and ensure that the sensor is installed within 0.39 inches from the arrow side of the alarmUltrasensitive also Low battery indicator to check battery life. This is a PERFECT AFFORDABLE compliment for your home security. MORE DETAILS asin B07BVSMDNP audiblenoise 120 Decibels batterydescription Alkaline bestsellersrank 56 in Home Security Systems brand Noopel builtinmedia Wireless Bluetooth Speaker color SilverBlack compatibledevices Home Security System controlmethod Touch customerreviews 4.3 4.3 out of 5 stars 5,959 4.3 out of 5 stars globaltradeidentificationnumber 00666354348917 itemdimensionslxwxh 1.5L x 0.4W x 2.9H manufacturer NOOPEL mfrpartnumber NPLDWA1302 US modelnumber Door Window Alarm mountingtype Wall Mount numberofbatteries 3 LR44 batteries required. included powersource Battery Powered sensortechnology Contact Sensor smarthomecompatibility Not Smart Home Compatible unitcount 2.0 Count upc 666354348917
