Welcome to our store! EASY TO INSTALL: The wireless vibration alarm is easy to install with double-sided tape, simple to install and use, no other tools are required. Compact and portable, it doesn't take up too much space. WITH REMOTE CONTROL: Wireless vibration alarm with remote control, wireless control range up to 30m, with the remote control you can easily control the alarm on/off, alarm, disarm, turn on the doorbell function and so on. LOUD ALARM: The wireless bike alarm emits an alarm sound when it detects vibration, a 108dB ultra-loud alarm sound to scare away intruders or thieves, and the high volume of the alarm makes it easy to hear the alarm sound. 4 MODES: The anti-theft alarm has 4 modes: guard, disarm, alarm mode and doorbell mode, controlled by remote control. The alarm can work continuously for more than 1 year in standby mode (assuming 5 times daily use). WIDE APPLICATION: The bicycle alarm is suitable for doors, windows, bicycles, motorcycles, cars and vehicles. It can also be installed in shops, offices, homes or anywhere you need protection. Let you enjoy a safe and convenient life! Item Type: Wireless Vibration Alarm Material: ABS Alarm Sound Level: 108dB Remote Control Range: Approx. 30m/32.8yd Without Obstacles Alarm Battery: 2 x AAA Batteries (Not Included) Remote Control Battery: 210mAh CR2032 Button Cell (Included) Working Temperature: ‑10°C to +60°C Working Humidity: R/H<80% Storage Temperature: ‑20°C to +70°C 1 x Wireless Vibration Alarm 1 x Remote Control 2 x Double-Sided Tape 1 x User Manual If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.