Waterproof LED Bicycle Smart Auto Brake Sensing Tail Light


ChinaRussian FederationUnited States


Headlights + Taillights is more cost-effective

About Charging:

Please use the charging cable included in the package to charge, otherwise, it may cause damage to the lights

Products Detail:

1.Full 6061 Aluminium alloy chassis.
2.Automatically turn on/off depending on the light intensity and motion.
3.Automatically switch to sleep mode to save power.
4.Seat rail mounting
5.4 flash modes.
6.20hrs+ run time.
7.400mAh Li-ion rechargeable battery.
8.USB charging.
9.Battery indicator ( flashes every 6 seconds)
10.Compact and Lightweight design (55g).
11.IPx6 Waterproof.

Smart Light Sensing

Using highly sensitive smart sensor chip
Able to correctly detect vibration and braking action

COB LED +Ensca lens

High visibility at night but not dazzling

Comparison Of Old & New Technology

Compared with the old taillights, the new Q5 taillights use more technical quality lamp beads and lenses.
Make the light soft, not hurt the eyes, more secure and stable.

Old Model-fog Lens

Low cost, simple process, soften the light by reducing brightness

Q5-Optical Lens

High cost, complicated process, keep light transparent and bright without glare

Brake Sensing-Integrated Accelerometer

Q5 comes with a built-in accelerometer/high-performance MCU and powers by the three-level digital filter algorithm which ensures correct detection of a brake

Shock Sensing

Automatically turn off the lights when there is no vibration for 30 seconds, and turn on automatically when you feel the vibration
(Except in constant light mode)

Smart Light Sense

Built-in light sensor
Works in harmony with vibration induction
Smart Start and stop saves power

The strobe and constant light modes are manually controlled and are not affected by the sensing element

The SOS and Bright modes are manually controlled and are not affected by the sensing element

Battery Indicator

The indicator light flashes every 6 seconds, prompting the current battery

Switch modes at will

Click to switch the flashing mode: Flashing-Breathing-SOS-Shutdown

IPX6 Waterproof Design

Proper to any abusive environment

Compact and Lightweight design

CNC Aluminum Alloy Shell

Anti-scratch and anti-fall

Additional information



Mounting Placement


Power Supply


Install method

Saddle / Seatpost


Aprox 55g (include holder)

Physical size

40*34*34 mm


60 Lumen

Smart Sensor

Brake/Motion/Light Sensing


400mAh Li-ion re-chargeable battery


Please use the charging cable included in the package to charge


Bicycle Smart Auto Brake Sensing Light IPx6 Waterproof LED Taillight


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