1. One Key Control, Easily install and compatible with all bikes
2. Security Surveillance: If the Bicycle is shaking, the horn will sound an alarm for 15 seconds
3. Password Change Function
4. Waterproof, Ultra-loud & clear sound
5. Easy and safe to use when braking
-Loud Alarm -One key Control -Password controlled -Vibration Alarm -Passoword Change -Waterproof
1. Security Surveillance Press the “0”button for 2 seconds, the alarm will sound a “tick”after the first second, and double “tick”after the second seconds, then release the button. After 3 seconds, a long sound of “tick” will appear, Which means Surveillance begins.
If the bicycle is shaking during the period, the horn will sound an alarm for 15 seconds, when the alarm stops it still in the Surveillance state. If the bicycle shakes again, a further 15 seconds alarm will follows.
2. Password Change Press the “3” button for 3 seconds, the alarm will sound a “tick”, then input the old password( default setup is 0000), after two short sound of “tick”,input the new password. ( note: the password is a four-fingure number)
3. Password lost Remove the battery for 10 seconds and reinstall it, the password will be back to the default one of 0000
- Model: SD-603
- Material: Plastic
- Color: Black
- Size: 6cm(Length)*4.2cm ( Diameter); Length of cable: 18cm
- Battery: LR44*4 (Included)
- 1?Bicycle Horn
- 4?button cell
- 1? English Manual
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