USB Bike Alarm with Remote & LED Taillight

Quick Overview

USB rechargeable rear light and alarm system with 120dB siren, wireless remote control, and bright LED taillight. Waterproof and designed for all-weather cycling.

Product Description

This multifunctional bike alarm and taillight combo combines theft protection with road safety. The COB LED taillight offers 3 lighting modes (fast flash, medium flash, constant) with visibility up to 100m, while the built-in 120dB alarm deters theft with a loud, clear siren.

Powered by an 800mAh rechargeable Li-polymer battery, the taillight fully charges in 2–3 hours via USB and lasts 10–35 hours in use, with over 50 days standby time. The included wireless remote allows easy control of light modes and alarm functions, with a replaceable 12V battery for long-term reliability.

The compact ABS housing with IPX5 waterproof protection ensures durability in rain, fog, or humid conditions. Mounting is versatile with both saddle and seat post strap installation options.

Details & Benefits

Perfect for city commuters and e-bike riders, this 2-in-1 system saves space, adds visibility, and increases security. With easy installation and remote operation, it’s a must-have accessory for safer cycling.

Key Features

• 120dB Loud Alarm: Scares off thieves instantly
• COB LED Taillight: Visible up to 100m with 180° floodlight
• Lighting Modes: Fast flash, medium flash, constant
• Rechargeable Battery: 800mAh, 2–3h charge, 10–35h runtime
• Remote Control: Wireless, with 12V replaceable battery
• Durable Build: ABS shell with IPX5 waterproofing
• Standby Time: Up to 50 days
• Versatile Mounting: Saddle or seat post strap installation

Package Includes

• 1 × USB rechargeable bike alarm & LED taillight unit
• 1 × Wireless remote control
• 1 × Mounting strap & saddle mount kit
• 1 × USB charging cable
• 1 × User manual