Sunding SD-603 Password Super Loud Waterproof Electronic Security Alarm Bike Ring Bell

Specification BrandSundingMaterialPlasticColorBlackSize 6cm Length 4 2cm Diameter Length of cable 18cmBattery4x AG13FuncationsLoud AlarmOne key ControlPassword controlledVibration AlarmPassoword ChangeWaterproofFeatures 1 One Key Control Easily install and compatible with all bikes including road 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 loudclear sound 5 Easy and safe to use when braking Operate Instructions 1 Security SurveillancePress the 0button for 2 seconds the alarm will sound a tickafter the first second and double tickafter 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 ChangePress 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 lostRemove the battery for 10 seconds and reinstall it the password will be back to the default one of 0000Package Included 1 x Alarm2 x Ties