It's easy to change to the light mode that you need. WATERPROOF AND DURABLE - Made of grade materials with IPX4 water resistance, LED headlights and tail lights.
eBay
Bicycle Q6 Light Set Bike LED Front Rear Lights USB Charge MTB Road Bike Highlight Lamp Cycling Light Lamp Cycling Accessories
Aliexpress UK
When the light is on and the brake sensor detects braking, CL06 bike rear light will enter warning flashing mode for 3s. When detecting headlights(>50 lux) approaching vehicles from behind, the light will enter warning flashing mode for 5s to alert the rear.
eBay
Smart Bike Rear Light Waterproof Anti Theft Burglar Alarm LED Charging Bicycle Auto Brake Sensing Light Bike Taillight Light
Aliexpress UK
Aluminum Alloy Smart Brake Tail Light. Waterproof:IPX6 grade. Light Modes:Always On-Slow Flash-Fast Flash - Strobe - Breathing Flash. 400mAh are knob mounting bracket,500mah are quick release bracket.
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Colorful Flashing Rear Bicycle Light USB Rechargeable Bike Light Waterproof Outdoor Cycling Taillight Flashing Safety Bike Light
Aliexpress UK
Modes：5 light modes/6 modes. 5 Light Modes: 4 flash +1 Light. Waterproof: IPX6 Dustproof and waterproof.No need to remove the taillights when washing the bike. Waterproof：IPX6. Bright lights: High-quality 2835 high-brightness lamp beads.
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Bicycle Turn Signal Lights Wireless Remote Control Bike Rear Lights USB Rechargeable Warning Cycling Lights Bike Accessories
Aliexpress UK
The Smart Bike Tail Light is a bright rear bike light designed for increased safety on the road. This custom bundle includes a sleek black light with brake sensing technology, ensuring you are seen by motorists when braking. With a waterproof design and LED bulb, this durable light is easy to charge with a 400mAh battery capacity and 2-hour 20-minute charge time. Made from PC, Al-alloy, and ABS materials, this Taillight is a practical and stylish accessory for any cyclist looking to enhance their visibility while cycling.
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MEROCA Bicycle Rear Light Intelligent Brake Sensor Light for MTB Road Bike Night Travel Safety Warning Light Bike Accessories
Aliexpress UK
After installation, the seat cushion rail clamp of CL01 needs to be fixed with two zip ties. Featuring an integrated rail-mounted design, the CL01 tucks neatly beneath the saddle, aligning with the bike for a clean, streamlined look.
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BUCKLOS 10 LED Bicycle Light High Bright Bike Rear Light Waterproof Bicycle Front Lights Type-C Charging Cycling Lamp
Aliexpress UK
Smart brake sensor vibration induction. RED YELLOW BLUE light Light reminders are more prominent.
eBay
Bike Tail Light LED Bright Rear Red Bike Light Dichroic light Cycling Safety for Night Riding Lighting Back Bicycle Taillights
Aliexpress UK
Ensure you're seen and stay safe on your cycling adventures with the MOON Lunar LED Rear Bicycle Light. Stay visible, stay safe, and make your cycling experience even better with this high-quality rear light.
eBay
BUCKLOS COB Bicycle Lights USB Rechargeable Mtb Road Bike Taillights Headlight Bright Bicycle Rear Light Front Light
Aliexpress UK