120 DB Loud Door and Window Open Alarm Sensor 3 Pack for Kids , Dementia Patients Safety Prevent Entry at Night

The 120 DB security alarm is perfect for signaling to you when there is an unwanted entry. Audible at over 750 feet it sounds loud so the person knows they should stop what they are doing. Great for prevention, protect your children’s rooms or stop anyone from sneaking out or in. No wiring is necessary and 3 LR44 batteries are included in each device. Made to last 6 - 12 months these batteries in the alarms will be charged for extended periods of time. When it’s time to change, you’ll know. With the intuitive low battery indicator you can easily find out when you’ll have to change the batteries. With an ultra slim build and sleek design these alarms can be put easily wherever you need them. Great for attaching to house doors, all types of apartments, and cabinet or office, put them where you see fit. They may be discreet and simple to install but don’t be deceived these alarms pack a punch, ready to deter any unwanted actions. Product material: ABS Single weight: 31g Single size: 7.5*3.9*1.22cm

Batteries lasting between 6-12 months make these low maintenance devices perfect to install and provide you with constant protection you want. The sensor part is 2.9*1.5*0.37 inches even smaller than a credit card, and the magnetic part is 1.25*0.37*0.37 inches. Simply use the adhesive provided and tape it to wherever you need! Windows, doors, and entrances simple and straightforward with the alarm. Work with doors types: Sliding Doors, Patio Doors, Hinged Doors, Folding Doors, French Doors etc. Work with windows type: Single/Double hung windows, Casement Windows, Awning Windows, Slider Windows etc. Although the alarm serves as a good reminder for swimming pool doors. It is not UL-2017 compliant. So in some states it cannot help you pass a pool inspection.