Features: Each LED light includes 5pcs SMD LED on the PCBA board, bright. 3 different colors for different purposes, 3 lighting Modes [Steady, Flash, and Strobe] It's suitable for outdoor use, it is widely used for different boats, pontoon, kayak, bike, dog collar, stroller, runner, etc [: it couldn't be soaked in water] The LED light's back is with a clip, which could easily attach to a flat belt.With these extra elastic straps, you can easily fix the lights around poles or tubes, on a bike for night cycling, on your hand or leg for night running. Specification: Colour:White,Orange,Blue Material:PC+Plastic Size:5.5 x 3 x 1.8 cm/2.17x1.18x0.71 inch Package Contents: 2Pcs Lights 2Pcs Buckle straps 2Pcsscrewdrivers Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_