Ahlsen - Bicycle Alarm, Anti-Theft Protection for Vehicles, Motorcycles, Motorbikes with Remote Control, 113 dB, Super Loud (2 Pack)

Functions: induction vibration host alarm, wireless remote control, 3 kinds of car search ringtones, SOS prompt. Principle: the vibration sensor detects vibration Frequency: 433 radio frequency Battery: three No. 7 batteries for the host (usually 3 to 4 months of autonomy), a 12 V 27 A remote control (more than a year). (Battery not included) Wireless remote control distance: 10 ~ 25 meters, open 80 ~ 100 meters Alarm sound: 113 dB Host waterproof grade: IP65 < /p> Product usage range: bicycles, electric vehicles, motorcycles, household doors and windows, etc. Inductive vibration triggers alarm and anti-theft protection. Note: The data is all manual measurement, please allow an error of 1-3cm on the physical object received Delivery quantity: (according to the main picture)