Anti-thief Security Bike Bicycle Motorcycle Alarm Lock Vibrate Sensor Code Unlock 105db+ Alert Sound

Overview:
This item is a smart security bicycle alarm, can send out alarm sound when detect slight vibrate of the bike, and the sensitivity is adjustable with high/middle/low grade, which can better protect your bike from being stolen.


Features:
*4 digital code, only the user can unlock, default ABCA.
*High/middle/low sensitivity adjustable, default middle.
*Anti-thief function, send out alarm sound (above 105db) when detect vibrate.
*Recommend to use this alarm with your bicycle lock together for better protection effect.
*Can be used in rainy days with proper installation (code buttons upwards, battery cover downwards)


How to Use:
1. Set alarm. Press "B" for 3s, you will hear a "Di" sound then the unit will work after 5s.
2. When trigger the alarm it will sound 5 times, if triggered again within 5s it will sound for 15s continuously.
3. Relieve alarm. Input 4 digital code (default ABCA), you will hear a "DiDiDi" sound if correct. Input wrong code, you will hear a long "Di" sound.
4. The key pad will be locked for 3 minutes if you input the wrong code 4 times in succession.
5. Code change (default ABCA). In disarmed state, press "A" for 3s and you will hear a short "Di" sound, input old code, you will hear a "DiDiDi" sound if correct. Then input 4 digital new code in 5s, you will hear a "DiDiDi" sound if success. Either input the wrong old code or fail to change the code, you will hear a long "Di" sound. Then you should repeat the process.
6. Take out the battery exceeding 30s, it will go back to default code automatically.
7. Sensitivity adjust (default middle). In disarmed state, press "C" and hold on until you hear (you should loose your hands after you hear each sound): Di = high sensitivity; DiDi = middle sensitivity; DiDiDi = low sensitivity


Specifications:
Alarm Sound: above 105db
Button A: set code (3s press)
Button B: set alarm (3s press)
Button C: Set sensitivity (long press)
Material: Plastic
Power Supply: 9V battery (not included)
Item Size: Approx. 9.8*6.1*3.6cm / 3.86*2.4*1.42in
Item Weight: Approx. 51g / 1.8oz


Package Information:
Package Size: Approx. 11.5*5.5*8cm / 4.53*2.17*3.15in
Package Weight: Approx. 100g / 3.53oz


Package List:
1 * Bicycle Alarm
1 * User Manual