multifunctional bicycle electronic bell alarm two-in-one vibration-sensing bicycle alarm bell

Multifunctional bicycle electronic bell, alarm device, two-in-one, vibration sensing bicycle alarm bell

Product Name: Bicycle Vibration Sensor Alarm/Bell

Weight: 100g (including packaging)

Packaging quantity: 100 pieces per box

Battery Installation:
Open the black cover on the right side, use a screwdriver to remove the screws, and take off the battery cover. Insert 3 AAA batteries according to the polarity indicated inside the battery compartment; if the batteries are installed correctly, the red LED light on the product will start flashing.

Set password:
After the battery is installed, the finished LED will blink in a pattern. A 4-digit password (composed of 1, 2, and 3) must be entered; when the entry is successful, a "Bi-bi-bi-bi" sound will be heard, and the LED will stop blinking.

Change password:
In non-alarm mode, first press the "F" key, then enter the original four-digit password. The Bi-bi-bi-bi sound will play, and the red LED light will illuminate for 5 seconds. During these 5 seconds when the LED is on, press the number keys to enter a new four-digit password. After entering the four-digit password, the Bi-bi-bi-bi sound will stop, and the red LED will cease flashing. The password modification is successful.

Usage Instructions:
Anti-theft settings: Press the "F" key twice, the Di-du sound will play, the red LED light will flash, and the alert mode will activate within 5 seconds. If vibration is detected or the product emits a Bi-bi alert sound, if continuous vibration is detected after 2 seconds, the product will immediately emit a 30-second alarm sound.
End of alarm:

The alarm will automatically stop after 30 seconds. Or, press the "F" key once to enter a 4-digit password to manually turn off the alarm sound and lift the alert. When the "Bi-bi-bi-bi" sound plays, it indicates that the alert has been lifted.
Vehicle bell function: In a non-alarm state, pressing any number keys 1.2 or 3 will immediately emit an ambulance sound for 3 seconds.

Precautions:
1. If the alarm sound or car bell volume becomes low, it indicates low battery level; please replace the battery promptly.
2. Every time the battery is replaced, the password must be reset.
3. The product contains small components; please do not let children play with it.