" Anti-theft Alarm: Once triggered, a loud 110dB alarm can be a great deterrent to thieves. It is suitable for doors, windows, bicycles, motorcycles and anything you want to protect. Wireless Alarm System: Comes with a remote control. Press the first button to activate the alarm, press the second button to deactivate the alarm. Remote control distance up to 25m. DIY Installation: Comes with a double-sided sticker, just peel and stick to install the alarm anywhere. Powered by 2 AAA batteries (included) Adjustable Sensitivities: With 10 sensitivity levels, high to low corresponds to touch, vibration and rhythm. You can set the appropriate level as actual need. Programmable and Expandable: One alarm can be paired with multiple remote controls; One remote control can also be paired with multiple alarms. "