Security Outdoor Password Control Alerter Universal Horn Lock Signaling Cycling High Decibel Anti Theft Waterproof Bicycle Alarm

Features:
This multi-functional bicycle horn and burglar-proof device is specially designed for bicycles, suitable for all bicycle models.
It has super loud and penetrating sound that can timely remind passers-by.
The bicycle horn is well waterproof and It can also be used normally under light rain.
The bicycle horn is designed as a push-button switch that can be touched at any time and operated at any time when braking.
The bicycle alarm is simple and convenient in the form of pressing one-time button.
It only needs to press 0 button for 4 seconds, release the keys after two consecutive sounds, and wait for 3 seconds for the anti-theft mode to start.
After the anti-theft mode of the bicycle is opened, when the bicycle shakes, the alarm device opens automatically, and the vibration alarm will be carried out.
When you want to use a bicycle, you just need to cancel the anti-theft mode, enter the password directly on the button, you can remove the anti-theft mode.
The bicycle horn password change method is simple to operate, as long as the long press 3 keys 3 seconds, as the speaker sounds, then begins to enter the initial password 0000, waiting for the horn two sounds, you can enter a new password.
Specifications:
Material: plastic
Color: black
Size:about 4.4x4.5x5.1cm
Power by: built-in 4 x button battery
Package included:
1pc x bicycle alarm
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.