2 In 1 Bike Alarm With Taillight And USB Rechargeable Battery To Scare Off Thieves 105dB Anti Theft Siren Brake Sensing Rear Light IP65 Waterproof 4 Modes Safety Flash Vibration Sensor For Ebike Fast 1.5 Hour Charge

2-in-1 Bike Alarm with Taillight, Single USB Rechargeable Unit
✔️ 105dB alarm, brake sensing, 4 lighting modes, IP65 waterproof

This 2-in-1 device combines a loud anti-theft alarm with a bright taillight for bikes. It's built for ebikes and regular bicycles, offering weatherproof IP65 protection and USB-C charging for reliable outdoor use.

✅ 105dB anti-theft siren with adjustable sensitivity
✅ 3-digit customizable code for smart protection
✅ Smart brake sensing triggers a 2-second brake light burst
✅ 4 lighting modes for night riding visibility
✅ IP65 waterproof chassis and USB-C charging for outdoors
✅ Vibration detection with auto-sleep after 30 seconds idle
✅ One-button control, no app required
✅ Fits 0.86-1.38" diameter tubes on bikes, bicycles and e-bikes

💡 What is a bicycle alarm used for and how does it help protect your ride? This device helps deter theft and improve nighttime visibility.
- high-decibel siren aids deterrence
- brake sensing tail light improves conspicuity
- IP65 weatherproof and USB-C charging for outdoor use
- 3-digit code and quick setup for security