Bike Alarm Tail Light: Anti-Theft, USB Charging, Brake Sensing, Remote Control, Waterproof Bicycle Lamp
Note:
- Both A5 and A5Pro serve as alarms and taillights; A5Pro includes automatic brake induction light functionality, differing in price accordingly to cater to your needs.
- Please ensure the tail light is fully charged before use.
- One host can pair with up to three remote controls, and each remote control can manage two hosts.
Product Features:
- 2-in-1 Security: This multi-functional tail light combines a bike alarm, COB LEDs, and a 200-degree wide-angle design, ensuring visibility and safety both day and night.
- A5Pro Brake Sensing: Equipped with smart brake sensing technology, the ultra-bright brake light activates automatically upon braking, enhancing your visibility and safety.
- Loud Alarm: With an impressive 115dB, this bike security alarm can deter thieves effectively while also functioning as a bright taillight, intelligent remote alarm, and bike horn.
- IPX5 Waterproof & USB Rechargeable: Designed to resist splashes from any angle, this tail light boasts an 800mAh Polymer Lithium battery that charges via USB in just 3 hours, offering 20-40 hours of runtime in various modes. (Slow flash-40h, Breathing flash-30h, Steady on-20h)
- Easy Installation: The saddle mounting bracket and adjustable silicone strap provided, make the bicycle rear light flexible to quickly install or detach on bicycles, seat posts, and seat tube brackets. Very convenient to unscrew the mounting cap for recharging.
Specifications:
- Host Size: 54*36*31mm.
- Remote Control Size: 58*35*15 mm.
- Light Source: LED COB Red Light.
- Battery: 800mAh, providing 8-30 hours of runtime.
- Mounting: Saddle Rail and Seat Post Mounting options.
- Alarm: Adjustable 105-115dB with 5 horn tones and 3 volume levels.
- Ingress Protection: IPX5, splash-proof (do not submerge).
- Controller Battery: 12V/27A (included), replaceable and non-rechargeable.
- Light Modes: 4 modes (Auto Fast Strobe, Breathing, Manual Pop Strobe, Steady).
- Applicable Models: Suitable for anti-theft and safety warnings on electric vehicles, mopeds, bicycles, and scooters.
Adjustable Alarm Volume (115dB): Triggered by vibration, this feature provides added security whether you’re parking at home or outdoors, giving you peace of mind.

【A5Pro Smart Brake Sensing Technology】:
Designed with the brake sensor, the Automatic ultra-bright brake light will automatically light up after braking. The bicycle light is super bright and highly visible from a distance, really catching attention to enhance your safety.

【4 light modes 】:
There are slow flashing, breathing modes, and continuous light for you to choose. (Note: It will not move for 30 seconds under low light, and will automatically light up when it moves again-slow flashing and breathing mode).

【USB charging】:
The built-in 800mAh polymer lithium battery comes with a USB cable, which can be charged from your computer, wall charger, power bank, or any other device with a USB port. After charging for 3 hours, the taillight can work in 3 different modes for 20 to 40 hours. (Slow flash for 40h, breathing flash for 30h, steady on for 20h).

【IPX5 waterproof】:
The taillights maintain the same high performance regardless of heavy rain. Can prevent water from splashing from any angle.

【3 levels sensitivity adjustment】:
You can adjust the sensitivity of the alarm through the buttons of the remote control, which is convenient for you to deploy the alarm host in different scenes.

【5 kinds of 108dB Horn ringtones】:
When you ride a car with many people, you can remind the front walk, you can control the alarm to make a sound through the remote control, a total of 5 kinds of horns you can choose.

【Remote control wireless find bike】:
Empty distance of 10-80 meters you can control your alarm through the remote control, so you can easily find bicycles in many bicycles.

【Two installation methods】:
1. saddle installation method
2. installation method of seat rod strap



Oh that’s just what I wanted and no doubt I got what I wanted. Both devices can be connected to one remote and use two at once as one. The alarm becomes even louder than you did, and by setting the signal in symmetrically as an Astor, You please the internal Ethet. Unfortunately at the same time blink to the beat they are not bully, because of the errors, but even so it is a very cool device.
As described.
Super product as described recommended seller, arrived quickly.
OK