Features: 1.Safe and Secure: This window alarm can instantly detect any vibration in your door or window, sensitive sensor, extremely reliable in any condition. 2.Easy to Install: The glass break detector has a simple installation, convenient and time saving, don't need wiring, too much tools or specialized knowledge. 3.Ultra Slim: The vibration alarm is super thin and lightweight, small and portable, can be suitable for travel, business trip, portable and reliable. 4.Multiple Use: The sensor alarm is suitable for various kinds of doors and windows, including wooden doors, metal doors, glass Windows, etc. 5.Durable Material: The anti theft alarm sensor is made of durable and reliable material, high strength and wear resistant, not easy to be broken, having a long service time. Specification: Item Type: Door Window Alarm _x000D_ Material: ABS_x000D_ Product Model: C100_x000D_ Weight Alarm Time: About 80 Minutes_x000D_ Standby Time: 1 Year_x000D_ Alarm Decibel: 125 db_x000D_ Standby Current: 10uAh_x000D_ Battery Type: Button Cell_x000D_ Battery Model: LR44_x000D_ Battery Capacity: 160mAh (Shipped With Built In Battery) PackageList: 1 x_x000D_ _x000D_ Door Window Alarm 1 x Instruction