When the bike security alarm is activated, it is sensitive to any vibrations, protects your bicycle from thefts

The alarm sound can reach up to 115db, loud enough to alert you and thefts

Just press the button on controller to find your bike quickly. And the remote range: 0-80 meters

5 switchable sound modes,3 levels of vibration sensitivity adjustment and 3 levels of volume adjustment

Built-in 400mAh rechargeable battery, convenient to recharge with the provided charging cable

The bell with IPX5 waterproof, offers convenience during rainy days

Come with some brackets and tie straps, easy to install on different bike frames

Wide application for mountain bikes, motorcycles, scooters, strollers, kids bikes, etc.

Specifications:

• Material: PC + ABS
• Alarm Bell:
• Sound: 115 dB
• Waterproof level: IPX5
• Battery: 1 * built-in 3.7V 400mAh lithium battery (included)
• Size: 43 * 31 * 46mm / 1.7 * 1.2 * 1.8in
• Weight: approx. 63.1g / 2.2oz
• Remote Controller:
• Waterproof level: IPX6
• Battery: 1 * 12V/27A Alkaline battery (included)
• Remote Range: 0 - 80 meters
• Size: 58 * 35 * 15mm / 2.3 * 1.4 * 0.6in