Features： The vibration sensor alarm is a lightweight and compact anti-theft alarm device. It can be installed on doors, windows, safes and other objects. When the alarm senses the vibration of the object, it will emit a high-decibel alarm sound. It is lightweight and compact, easy to install, with an alarm sound of up to 125 decibels, and the thickness of the body is only 9.5mm. It is easy to operate and install. It can be used by just peeling and sticking. It does not require cumbersome setting steps like traditional alarms. Vibration sensitivity adjustment: sensitivity index, the higher the sensitivity when turning toward the tip, the lower the sensitivity when turning toward the flat end) Upgraded version, add battery cover screws and warnings (compliant with UL4200A standard) Specification: Part Name: Vibration Sensor Model: C100 Color: Black/White Material: Environmentally friendly ABS Size: 72*72mm Weight: 34g Alarm time: about 80 minutes Alarm decibel: 125 decibels Battery: LR44 15.V*3 (not included) Standby time: 1 year Standby current: ≤10uAh Package Content: 1*Vibration Sensor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. [EFFICIENT SECURITY DEVICE] This anti-theft alarm features a slim profile at just 5mm thick, perfect for discreet installation on various s like doors and windows. [HIGH DECIBEL ALARM SYSTEM] With an impressive output of 125 decibels, this alarm effectively deters potential threats with its loud sound. [EASY TO USE INSTALLATION] No complicated procedures; simply peel off the backing and it onto your chosen for instant security. [CUSTOMIZABLE SENSITIVITY SETTINGS] Fine-tune the vibration sensitivity to fit different environments and scenarios, enhancing its effectiveness wherever used. [SIZING REMINDER] for Ensure you refer to your own measurements before installation for best results.