Usage Tips:[Super Bright]This LED Reflective Vest has super bright LED lights and reflective tape, visible from 600 feet (about 182.9 meters) away, making you . [Comfortable and High Quality Material]: This reflective running belt is made of high quality material. Skin-friendly, comfortable, free adjustment, high elasticity, etc., suitable for adults. [2 Lights & 3 Modes]: This running vest has high-brightness LED strips on both sides, white light on one side and red light on the other. The red light on the back allows you to see better in the dark, the white light on the front is to make sure your eyes are more comfortable when running, and the LED lights on both sides have 3 modes: steady, fast blinking and slow blinking. You can freely choose the working mode you like. [Replaceable Battery]This reflective device uses high quality replaceable lithium-ion button battery (CR2032). Compared to other products, it has a longer battery life. At the same time, you can also easily buy it in the store. Note: The plastic sheet between the battery and the circuit board must be removed before use. [LIGHT AND MULTI-PURPOSE]: Equipped with four adjustable buckles and elastic straps, your LED reflective vest can easily be worn on t-shirts, sports gear, winter jackets or any type of clothes. Suitable for all seasons, oversized design, can be easily used by tall men, greatly improves the of running, cycling, walking, riding a motorcycle, jogging, children playing, directional traffic, etc. Colour: green Material: fabric Package Contents: 1 * Running Vest Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.