110 db loud sound
Suitable for seat post diameter below 3.1 cm
Fit for: Bicycle, motorbike
Power supply: 1* 6F22 9V battery (Not include)
First fix the alarm to the bike seat post (or other vehecles), click the start button, after 10 seconds the alarm will turn into the state of alert.
When someone touches the vehicle, the alarm will sound a sharp warning (110db) for eight seconds, and then turn into the state of alert.
Users can turn off in accordance with the password shown on the product.
1X Bicycle alarm (battery not included)
1X User Instruction