Motor Vehicle Lighting LED Silicone Bicycle Front Rear Light Set 3 Modes Waterproof MTB Mountain Road Cycling Headlight Tail Warning Lamp Feature: Made of high-elasticity waterproof silicone material, stable, durable, and strong extension tension. High-elastic silicone, multi fixing method-can be installed on the handlebar, seat post, front fork, backpack, etc. The light with white LED can be fixed in front of the helmet-night riding can be used as headlights and lights. The light with red LED can be fixed behind the helmet-it can be used as a tail light. 3 switching methods: fast flashing, slow flashing, and constant light. Can switch quickly according to your actual needs. Emergency lighting, outdoor play at night, mountaineering lighting, and bicycle lighting are all suitable. Can last for 35 hours at f ull brightness mode . Can last for 160 hours at flash mode. Effective visibility is higher than 600 meters. Quick disassembly design-installation or disassembly can be done without any tools. Specification: Appearance color: 1 x black body with white light, 1 x black body with red light Product size: 40x30x30mm/1.57x1.18x1.18" Product net weight: 30g/pc Power supply: CR2032 button battery