Feature: 1. There are many applications, suitable for bicycles, motorcycles, electric bicycles, electric scooters, doors and window. 2. It is sensitive, with 7 levels of adjustable sensitivity from soft touch to hit, which can be easily set as needed. The range of wireless remote control operation is up to 20m / 66ft. 3. The 150dB alarm can deter thieves. It can effectively scare away thieves, and can also be used as an SOS emergency alert. A 500mA battery standby alarm can last for 6 to 10 months. 4. Easy to install and waterproof, this motorcycle anti?theft alarm can be installed by sticking double?sided tape or strapping. IP55 waterproof can be used outdoors. 5. Small size, exquisite and compact design, easy to install, and can be adjusted through the remote control to operate 5 gears, easy to find the position of the vehicle. Specification: Item Type: Anti?Theft Alarm Material: ABS Weight: Approx. 132g / 4.7oz Wireless Range: Approx.10~20m/32.8~65.6ft Working Environment Temperature: -20~60 celsius Anti?Theft Alarm Size: Approx. 92x45mm / 3.6x1.8in Remote Control Size: Approx. 68x28x11mm / 2.7x1.1x0.4in Remote Control Battery: 3 x CR2032 button batteries. Package List: 1 x Bicycle Alarm1 x Remote Control1 x USB Cable1 x Manual1 x Double-Sided Tape2 x Strap Note: 1. When using with the car, please pay attention to the fixing method of the host, choose to paste or bind.2. The concealed installation of the host will reduce the size of the alarm sound.3. It is best not to install the host in a confined space surrounded by metal materials. Metal has a large shielding effect on wireless signals and affects the remote control distance.