The back of the horn is touch sensitive, please press the back of the horn for 2 seconds. It'll beep twice when it's on, once when it's off.
To power on: long-press power button to enter the pairing mode; then press any button on the remote control.
Ring function
Press button (3), electric horn will ring,
3 levels of volume adjusting
There are four ringtones: whistle, horn, alarm, beep.
Long pressing on button 4 or 5 will switch between ringtones.
ANTI-THEFT ALARM FUNCTION:
1- press button 2, electric horn emits a prompt sound to enter the pre-arming state, waiting 5 seconds, the electric horn emits a prompt sound again, then enter the anti-theft mode.
2- Press button 1 to disarm.
3- There are 3 levels of sensitivity adjustment. In order to increase the sensitivity press button 4, and button 3 for decreasing it.
WARNING:
1- Once you're off the bike, always take the remote with you,
2- If the remote control does not work, please charge the device,
3- Always make sure the waterproof plug of the horn is flush with the device,
4- Do not use sharp objects to press the button of the remote control,
5- Do not use the device in closed spaces or in crowded areas, the loud noise can be harmful to others,
6- Keep the device away from fire and hot objects.
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