Features: 1.VIBRATION TRIGGERED: Wireless vibration alarm is a vibration triggered alarm for bikes, motorcycles, vehicles, doors, window, or anything you want to protect from burglars with 108dB sound. 2.4 MODES: Wireless remote bike alarm has four modes, arm, disarm, emergency and doorbell mode, conveniently controlled by remote control with a range of up to 25M. 3.ADJUSTABLE SENSITIVITY: 10 levels of adjustable sensitivity, from a gentle touch to a push or a knock, you can easily set your needs as needed. 4.TOUCH SENSING: The electrical bike alarm is equipped with a touch sensor for answering calls or responding to your voice, made of ABS material, sturdy and durable for a long service life. 5.EASY TO INSTALL: Low power battery lasts longer, the wireless bike alarm system can be continuously on standby for more than one year (according to five times a day on/off) Easy to operate and install, install by sticking double sided stickers or straps. Specification: Item Type: Wireless Vibration Alarm with Remote Control_x000D_ Material: ABS_x000D_ Alarm Battery: 2 AAA Batteries (Battery Not Included)_x000D_ Remote Control Battery: 12v27a Alkaline Battery x1 (Shipped with Battery, Capacity 30mAh)_x000D_ Frequency: 433MHz_x000D_ Volume: 108dB (Approx. 30cm / 11.8in Test)_x000D_ Operating Temperature: -10 to +60C_x000D_ Storage Temperature: -20 to +70_x000D_ Battery Standby: Main Unit Standby About 1 Year (Depending on the Situation), Remote Control Standby About 1 Year (Based on 5 Times a Day)_x000D_ Size: Approx. 43 x 17 x 85mm / 1.7 x 0.67 x 3.3in PackageList: 1 x_x000D_ _x000D_ Wireless Vibration Alarm (Battery Not Included) 1 x Remote Control(Ship with Inbuilt Battery) 2 x Double Sided Tape 1 x English Manual Note: 1. Vibration alarms are best installed away from rain/hot sun. For example, under a bike seats. Alternatively it is best to place the vibration alarm in a plastic bag prior to installation._x000D_ 2. The internal vibration sensor is located in a horizontal position and is recommended to be mounted horizontally for best results.