[Super Bright] This LED reflective vest features bright LED lights and reflective tape, visible from up to 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 includes high-brightness LED strips on both sides—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 forward visibility. The LEDs offer three modes: steady, fast blinking, and slow blinking, allowing you to select your preferred setting. [Replaceable Battery] This device uses a high-quality replaceable lithium-ion button battery (CR2032), offering extended battery life. The battery is widely available. Note: Remove the insulating plastic sheet between the battery and the circuit board before use. [Lightweight and Multi-Purpose] Equipped with four adjustable buckles and elastic straps, this LED reflective vest can be easily worn over t-shirts, sportswear, jackets, or other clothing types. Its oversized, adjustable design fits most body sizes and is suitable for various activities such as running, cycling, walking, motorcycle riding, jogging, outdoor play, and traffic direction. Color: Green Material: Fabric Package Contents: 1 x Running Vest Note: Only the items listed are included. Note: Lighting and screen settings may cause slight color variations between the image and the actual item. Manual measurement may result in a difference of 1-3 cm.