• High-decibel ringtones

• 4 different sounds

• Anti-theft alarm function

• 200mAh long battery life

• IPX6 waterproof rating

• USB charging

Button:

• Long press the tail button to enter the anti-theft alarm state, and then long press to cancel the alarm mode

• Long press the middle button, on/off, short press the bicycle bell

Specification:

• Name: Bicycle Alarm

• Material: ABS+PC

• Decibel: 100-125db, black model: 120db

• Number of sounds: 4 types

• Battery: 200mAh

• Waterproof grade: IPX6

• Charging method: USB

• Battery life: Black model: 40 days

• Charging method: USB

• Charging time: black model: about 20 minutes

• Size: about 60x38x38mm, black model: 60x34x34mm