OLIGHT RN 120 C Rear Bike Lights Lumens Type Rechargeable Ultra Bright Smart Cycling Back Lights, IPX6 Waterproof Bicycle Taillights for Day and Night Safety Warning Mountain Tail Lamp

【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 【Easy to operate】A long press will turn the light on or 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 to increase warning effect efficiently during day and night 【Smart Motion Sensor】The motion sensor turns on automatically when braking, and lights up for 3 seconds at a maximum of 120 lumens 【Rechargeable Bike Taillight】Quick charging via USB-C, fully charging within 1 hour