Bike Alarm and Safety Taillight: A8Pro COB LED Bike Light with Brake Sensing, Remote Control, USB Charging, and 115dB Alarm
Note: A8Pro is the enhanced version, offering improved performance with adjustable alarm sensitivity, 5 ring tones, and volume control. Ensure the taillight is fully charged before use. Each host can accommodate up to three remote controls, and one remote control can also operate two hosts.
Features:
- 2-in-1 Bike Alarm and Tail Light: This multifunctional anti-theft alarm tail light combines a bike alarm, COB LEDs, and a 200-degree wide-angle design, making you highly visible to other road users in dark or daytime conditions for maximum safety.
- Smart Brake Sensing Technology: Equipped with a brake sensor, this light automatically activates an ultra-bright brake light upon braking. The bike light is exceptionally bright and visible from a distance, ensuring enhanced safety.
- Incredibly Loud 115dB Alarm: The bike security alarm emits a loud 115dB sound to grab attention. It effectively deters potential thieves and can also function as a bright taillight, intelligent remote alarm, and bike horn. Two mounting methods cater to various bicycle types (refer to the instruction manual for details).
- IPX5 Waterproof & USB Rechargeable: The IPX5 waterproof rating protects against splashes from any angle. The built-in 700mAh Polymer Lithium battery charges via USB, making it compatible with your computer, wall charger, power bank, or any USB-enabled device. With a 3-hour charge, the taillight offers 20-40 hours of runtime across 3 modes (Slow flash-40h, Breathing flash-30h, Steady on 20h).
- Easy Installation and Removal: Includes a saddle mounting bracket and adjustable silicone strap, allowing for quick installation and detachment on bicycles, seat posts, and seat tube brackets. Easily unscrews from the mounting cap for recharging.
Specifications:
- Light Source: LED COB Red Light
- Light Modes: 4 modes (Auto Fast Strobe & Breathing, Manual Pop Strobe & Steady)
- Alarm: 115dB, A8Pro offers 5 adjustable tones and volume control, while A8 has 1 tone (non-adjustable)
- A8Pro Battery: 800mAH, runtime approx. 8-30 hours (A8 Battery: 700mAH)
- Controller Battery: 12V/27A battery (included), replaceable, not rechargeable
- Ingress Protection: IP65 (water splash proof; do not submerge)
- Mounting Options: Saddle rail or round seat post (both brackets included)
- Net Weight: Lamp 66 grams; Controller: approx. 23 grams
You have the option to select from three lighting modes: slow flashing, breathing mode, and continuous light. (Note: In low-light conditions, it will remain inactive for 30 seconds and will automatically illuminate again in slow flashing and breathing mode when movement is detected.)
Intelligent Brake Sensing Technology:
Incorporating a brake sensor, this bike light features an automatic ultra-bright brake light that activates upon braking. The exceptionally bright illumination is easily visible from a distance, attracting attention to enhance your safety.
Wireless Bike Locator with Remote Control:
Within a range of 10-80 meters, you can use the remote control to locate your bike effortlessly, even in a sea of bicycles.
Five 108dB Horn Tones:
When cycling in crowded areas, you can use the remote control to sound an alert, offering a choice of five distinct horn tones to notify pedestrians ahead.
Three Levels of Sensitivity Adjustment:
You can conveniently customize the alarm sensitivity using the remote control buttons, allowing you to adapt the alarm to various settings.
Adjustable 115dB Alarm Volume:
The alarm can be triggered by vibration, serving as an effective deterrent against potential thieves, offering added security and allowing you to confidently park your vehicle at home or outdoors.
IPX5 Waterproof Rating:
These taillights maintain high performance even in heavy rain and can effectively prevent water splashes from any direction.

USB Charging:
The integrated 700mAh polymer lithium battery includes a USB cable for recharging. You can charge it from your computer, wall charger, power bank, or any other device with a USB port. After a 3-hour charge, the taillight can operate in three distinct modes, providing illumination for 20 to 40 hours (40 hours in slow flash mode, 30 hours in breathing flash mode, and 20 hours in steady-on mode).

Two Installation Options:
- Saddle Installation Method
- Seat Rod Strap Installation Method





Good performance low price
Excellent flashlight, you can say three in one, signal, dimensions, and alarm.
Arrived quickly in 10 days.
I have one, I ordered one before, and I know what he imagines, on the first one I have broken the mount, and separately the fasteners are 450Phones, well, I had to order the second, they have 2 pieces of them, one is mounted on the saddle, the second on the pin.
It was profitable for me for 1500 rubles. Buy a full set, and I can install the bike on the second one. ï¿?,5″
A good product