[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, freely adjustable, and highly elastic, suitable for adults.[2 Lights & 3 Modes] This running vest has 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 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, adjustable design fits most body sizes and is suitable for all seasons. Ideal for running, cycling, walking, motorcycle riding, jogging, child safety, traffic direction, and other outdoor activities.Color: Green Material: Fabric Package Contents: 1 x Running Vest Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3 cm.