The simple and user-friendly vibration alarm allows real-time monitoring and control of the alarm through a mobile app. With a simple installation options, this vibration alarm is suitable for various doors and windows, providing convenience and flexibility without taking up space. Features -Color:White -Material:Plastic -Size:7.40X7.40X1.30cm/2.91X2.91X0.51in -Alarm volume: 130dB -Power supply: 2 x AAA batteries -Working humidity: 95% - prompt: 2.3V ±0.2t -Standby current: <=10uA -Working temperature: 0 degree centigrade~50 degree centigrade -Emitting a sound at 130 decibels, this alarm system effectively warns and scares off potential . -Featuring a simple design, this alarm system not only provides security but also adds aesthetic appeal to your home. -This alarm system can promptly detect any anomalies in your doors and windows. -With convenient connection, this alarm system provides you with peace of mind even when home. -Designed with flexible installation options, can be easily installed on different types of doors and windows. Package list: 1 x Vibration Sensor