1. 113dB Safety Alarm: Once activated, the extremely loud volume has a powerful deterrent effect. It is not only suitable for bicycles and motorcycles but also for electric bicycles, scooters, doors, and windows. 2. Waterproof Bicycle Alarm: With a PC material shell and an IP55 waterproof rating, it can be used outdoors. 3. Easy to Install: Two installation tools, double - sided stickers, and straps are provided to firmly and stably fix the alarm on bicycles, motorcycles, cars, or other devices. 4. Three - level Volume and Seven - level Sensitivity: Both the volume and sensitivity are adjustable. You can set them simply by pressing the remote control. It is simple and convenient. 5. Expandable: If you need to provide an additional remote control for your family or just use it as a spare part, you can simply order it during special offers and product promotions. 6. Product Information - Main Functions: - Arm and disarm for safety. - Adjust touch sensitivity. - Select ringtones. - Use the SOS button to search for the vehicle. - Indicate low battery level. - Bicycle Alarm: 3 * AAA alkaline batteries (included). - Remote Control: 12V / 27A alkaline battery (included). 7. Package Contents: 1 x Bicycle Alarm, 1 x Remote Control, 2 x Cable Ties, 2 x Double - sided Stickers, 1 x Screwdriver, 1 x Battery Opener, 1 x Manual Installation Accessories, Installation Points, 2 * Installation Strips, 2 * Double - sided Stickers. 8. The installation holes and interfaces on the back of the alarm make it very easy to install the alarm on a bicycle or motorcycle. 9. 113dB Ultra - Loud: Vibration or movement will trigger the alarm. Once activated, the 113dB ultra - loud alarm has a great deterrent effect, which can effectively prevent bicycle thieves and immediately alert you. 10. Note: The remote control will not make a sound when the alarm is triggered.