120dB Anti-Theft Bike Alarm With USB Quick Charge IPX4 Waterproof & 4 Riding Tones

This Bike Alarm Secures Your Ride Instantly

The bike alarm protects your ride with a piercing warning at the first hint of tampering. Its IPX4 waterproof build handles rain and splashes, while the USB quick charge powers the battery in just 20 minutes.

A customer favourite — This 120dB smart alarm with IPX4 waterproofing and 20-minute USB quick charge keeps your bike safe and you heard on the road.

Popular choice with fast dispatch — Ordered today, dispatched within 24–48 hours.

Why You'll Love This Bicycle Accessory

• Loud 120dB siren The vibration sensor triggers a powerful alarm that deters thieves the moment they touch your bike.
• Quick 20-minute charge The built-in 200mAh lithium battery reaches full power in 20 minutes through any USB port, so you’re never stuck waiting.
• IPX4 rain protection The waterproof housing keeps the alarm working reliably through splashes and wet weather, ride after ride.
• Three-button controls Long-press the left button to lock the alarm, right to unlock, and use the middle button to sound the horn or cycle through four warning tones.

Perfect For

• Daily Commuters Lock up at a busy bike rack and walk away knowing a 120dB alarm will sound on any suspicious movement.
• Night Riders Switch between four distinct warning tones to stay visible to traffic and pedestrians on dark streets.
• Multi-Vehicle Owners The tool-free mount and compact size let you move the alarm between a bike, e-scooter, or even a stroller in seconds.

Specifications

• Product type: Anti-theft bike alarm with riding horn
• Alarm volume: 120dB
• Battery: 200mAh lithium, USB quick charge in 20 minutes
• Waterproof rating: IPX4 splash-proof
• Sound modes: 4 riding tones plus motion-sensing alarm
• Controls: 3-button interface for lock, unlock, and horn
• Mounting: Tool-free handlebar attachment
• Best for: Bikes, e-scooters, commuting, parking lot security

What's in the Box

• 1 x 120db Anti-Theft Bike Alarm

Secure your bike in seconds with 120dB anti-theft protection that triggers instantly on any suspicious movement. Add the IPX4 waterproof alarm to your cart and ride with confidence today.