Note: Attach the alarm to various locations where it can be secured, such as the front, rear, and under the seat cushion, without fear of rain. After pressing the remote control to start, as soon as someone touches the motorcycle or electric bike, a 113-decibel alarm will sound. The owner can use the remote control to arm and disarm the alarm. Features: *1. The remote control range is approximately 50 meters (66 feet) in an open area, and the range can be shortened by moving between walls and objects. The main unit and the remote control are designed to work together; they are not interchangeable and do not interfere with each other. Only pre-configured remote controls can operate them. *2. This product uses a polymer battery, which is included. It can be used immediately upon receipt. Normally, the battery needs recharging every three to four months (with a 500 mAh battery capacity), making it very energy-efficient and long-lasting. The remote control uses a CR2032 battery (included)*3. Anti-false alarm design: 7 adjustable sensitivity levels, suitable for different environments.*4. Alarm size: 9.5 * 4.2 * 2.3 cm*5. Scope of application: bicycles, motorcycles, electric vehicles, doors and windows, etc.*6. Setting method: Press and hold the disarm button on the remote control, and the alarm will sound to disarm. Continue holding and wait for the indicator light on the remote control to turn off and then back on after a few seconds. Release the release button, then press the disarm button on the remote control to change the sensitivity. The sensitivity level varies from 7 to 7, and you can listen for the beep to distinguish between levels. After setting the sensitivity, press the disarm button once to exit the setting. Package includes: 1 alarm, 2 remote controls, 2 rolls of tape, 2 double-sided adhesive tapes, 1 manual