[Rechargeable Bike Taillight] Quick charging via USB-C, fully charging within 1 hour
[High Performance] The bike rear light RN 120 C has a maximum output of 120 lumens. 260-degree and 1500 meters max visibility makes the riding safer. IPX6 waterproof rate can resist water from any direction
[Smart Motion Sensor] The motion sensor turns on automatically when braking, and lights up for 3 seconds at a maximum of 120 lumens
[Easy to operate] A long press will turn the light on/off. Double click to change the mode, short click to cycle through brightness settings, memory function for a quick start
[Sensitive Ambient Light Sensor] The built-in light sensor automatically adjusts the brightness according to ambient lighting conditions. Thus to increase warning effect efficiently during day and night