Code type vibration alarming mode, only the user can unlock,protecting your bike or motorbike from being stolen.<br>Suitable bike bracket pipe diameter: 3 CM<br>Product model: ABC-610<br>Alarming sound depth: about 110dB<br>Powered by a 9V battery (not included), low power consumption<br>Easy to install and use.<br>Usage:<br>1. The original password is ABCA<br>Password changing: Press the A botton for 2 seconds, enter the oldpassword, enter a new four-digit password.<br>When 4 consecutive incorrect password is entered, the keyboard willbe locked and unlock after 3 minutes.<br>When the battery is removed, the password changes to originalpassword<br>2. ALERT : Press the B button for 2 seconds to hear a beep sound,then enter alert after 5 seconds time-lapse.<br>3. STOP ALERT: During alert or alarm, enter the four-digitpassword, beep twice to exit alert<br>4. During alert, the host will continuous beep 5 sound&nbsp;for thefirst vibration alarm, if the vibration continues, the alarm willsound for<br>continuous 15 seconds<br>Specification:<br>1. Low battery indicator: The host beep once for every 1 minute,indicates to replace the battery.<br>2. Sensitivity adjustment: 3 grades adjustment: highest (firstgrade) -&nbsp;moderate (second drade) - lowest (third grade)<br>First grade: during "stop alert", press the C key to hear a beepsound, after 2 seconds, hear beep sound once again<br>Second grade: press the C key to hear a beep sound, after 2seconds, hear beep sound twice<br>Third grade: press the C key to hear a beep sound, after 2 seconds,hear beep sound third<br>Original grade is the second grade.<br>Note:<br>You can install the anti-theft alarm on the pipe below mount, orother your favorite and suitable installation place.<br>Please notice that the alarm can not directly take the place oflock.<br>Alarm mode: vibration alarm<br>Material: PVC<br>Color: black<br>Package:<br>1 x bike alarm<br>1 x screw<br>1 x user manual<p style="text-align: center;"><img src="//img.cigacool.com/img/amazon/P201508030070_1.jpg" width="600" alt="image"></p><p style="text-align: center;"><img src="//img.cigacool.com/img/amazon/P201508030070_2.jpg" width="600" alt="image"></p><p style="text-align: center;"><img src="//img.cigacool.com/img/amazon/P201508030070_3.jpg" width="600" alt="image"></p><p style="text-align: center;"><img src="//img.cigacool.com/img/amazon/P201508030070_4.jpg" width="600" alt="image"></p><p style="text-align: center;"><img src="//img.cigacool.com/img/amazon/P201508030070_5.jpg" width="600" alt="image"></p><p style="text-align: center;"><img src="//img.cigacool.com/img/amazon/P201508030070_6.jpg" width="600" alt="image"></p>