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NEW IMPROVED SUPER BRIGHT BIKE REAR LIGHT --- 1 large + 16 small LEDs. Dual lighting, streamlined and portable design. Weighs only 28 grams, 10.6 x 3 x 2.5 cm, fits in any pocket or bag. Use this lightweight, compact, and ultra-bright bike rear light for safe cycling in the dark. Ideal for outdoor cycling and as emergency lighting.

USB-C RECHARGEABLE & IP64 WATERPROOF --- Powered by a built-in rechargeable battery with a battery life of 5-10 hours. Reliable construction, dust and waterproof, so the bike rear light works well even on rainy and foggy days, both in the city and in the countryside. PLEASE NOTE: The red light is on while charging; AFTER CHARGING, IT LIGHTS GREEN AND GOES OFF AFTER 1 MINUTE.

5 MEMORY MODES FOR THE BIKE REAR LIGHT --- Easy and hassle-free cycling. In addition to the normal stable mode, it also has 5 lighting modes (flickering, flashing, warning, breathing, meteor) to meet all your needs! Tap with the left mouse button to switch the mode on and off, and hold the button down for 1 second to switch the mode off. When switching back on, the last used mode is applied. After 30 seconds of inactivity, the device switches to sleep mode and is reactivated after a vibration.

INTELLIGENT BRAKE AND LIGHT DETECTION --- In normal mode, brake detection is enabled by default. If braking occurs quickly, the mode switches automatically and the brightness is increased to warn approaching vehicles. Right-click to activate the light detection mode. The bicycle tail lights then go into sleep mode in sufficient light and are reactivated in a dark environment. This way, you do not have to worry about unnecessary power consumption.