describe: feature Multi-purpose, can play a very good role in preventing bicycle theft. The vibration trigger alarm is suitable for bicycles, motorcycles, electric bicycles, electric scooters, etc. It can also be used as a vibration sensor for door and window alarms. Super sensitive to motion, from a light touch to a push or tap, with 7 levels of adjustable sensitivity, you can easily set it to suit your needs. Wireless remote control operation, the remote control range can reach 20M/66FT. Extremely loud at 113dB, the bicycle safety alarm can make a loud sound to attract people's attention. The 113dB loud sound can effectively scare away thieves and can also be used as an SOS emergency alarm. Easy to install and waterproof, this motorcycle bike anti-theft alarm can be installed by applying double-sided stickers or tying with straps. No wiring required, no screws required. Waterproof rated to IP55 - suitable for outdoor use. Mini size, 3.7"*1.6"*0.8" exquisite and compact design, easy to hide and install, 6 kinds of ringtones can be operated by remote control, making it easy to find the vehicle location. Specification: The alarm requires 3 AAA alkaline batteries (not included) and provides 6-10 months of standby time. The remote control requires 12V/27A alkaline batteries (not included) and has a standby time of over 1 year. Wireless range: 10-20 meters Working environment temperature: -20~60 degrees Alarm size: 65mm*45mm Remote control size: 58mm*28mm*11mm Package Contents: 1 piece bicycle alarm