Window Alarm 5 Pack, 125dB Loud Glass Break Sensors, Window Alarms for Security, Detects Glassbreak & Vibration, with Adjustable Sensitivity, Fit for Any Window for Indoor Home Office Safety

• 125DB Loud Window Alarm: When NOOPEL glass break sensors detect vibration or shock waves associated with glass shattering, they sound an 125db alarm and red indicator blinks.
• Adjustable Sensitivity Settings: With roller vibration sensitivity adjustment design, you can set sensitivity level easily to prevent false alarms.
• Ultra Slim and Low Battery Indicator: Includes FIVE glass break alarms, each dimension Size 7.3cm x 7.3cm x 1cm, each with 2 adjustable settings ON/OFF, each with 3 X LR44 Batteries included. Built-in low battery indicator to check battery life easily.
• Easy Installation: By simple peel and stick as includes double sided tape! No wiring needed! No screws needed!
• For Your Safety: Ideal window alarm for your safety to deter intruder thief entry and alert residence. Also perfect glassbreak warning for your house, office, apartment, garage, dorm, RV, hotel and so on.

NOOPEL glassbreak sensor for windows offers a simple-to-use, cost-effective security solution to protect you and your family against home invasions. This alarm will sound up to 125db loud and plus LED flashing if it detects the physical vibration or glass break. The 24-hour security alarm gives you more peace of mind, especially at night, so you can sleep with peace of mind. Features: 1.2 setting: ON/OFF 2.Roller sensitivity setting 3.Easily mounted by double-side adhesive tape. 4.Powered by 3 pcs LR44 batteries included. 5.Ultra-slim design fits any doors and windows. NOOPEL glass break sensor is perfect solution for indoor home security which can be used for bedrooms, hotels, garages, apartments, dorm rooms, shops, offices, RVs, windows, doors, balconies, warehouse, sliding glass doors and more.