[Super Bright] This LED reflective vest features super bright LED lights and reflective tape, visible from 600 feet (approximately 182.9 meters) away, enhancing visibility in low-light conditions. [Comfortable Material] This reflective running belt is made of high-quality material. It is skin-friendly, comfortable, adjustable, and highly elastic, suitable for adults. [2 Lights & 3 Modes] This running vest has high-brightness LED strips on both sides, with white light on the front and red light on the back. The red light improves rear visibility in the dark, while the white light enhances front visibility. The LEDs offer three modes: steady, fast blinking, and slow blinking, allowing you to select your preferred setting. [Replaceable Battery] This reflective device uses a high-quality replaceable lithium-ion button battery (CR2032), offering extended battery life compared to similar products. The battery is widely available for easy replacement. Note: Remove the insulating plastic sheet between the battery and the circuit board before use. [Lightweight and Multipurpose] Equipped with four adjustable buckles and elastic straps, this LED reflective vest can be easily worn over t-shirts, sportswear, winter jackets, or other clothing types. Its oversized design fits most body sizes and is suitable for various activities such as running, cycling, walking, jogging, riding, and traffic direction. Ideal for year-round use. Color: Green Material: Fabric Package Contents: 1 x Running Vest Note: The package includes only the items listed above. Other accessories are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3 cm.