Product size about : 7.8*3*2.6cm/ 3*1.1*1'' Product color: As shown in the figure Product material:ABS product features: 1. A high-brightness LED warning light with a dual-color red and blue flashing mode significantly enhances safety and visibility during nighttime operations and patrols, effectively preventing accidents. 2. The lightweight and portable shoulder light easily attaches to the shoulder or clothing, providing a comfortable fit and suitable for outdoor activities such as nighttime running, cycling, patrol duties, and security patrols. 3. A built-in high-capacity lithium battery with USB rechargeability offers up to 50 hours of battery life, sufficient for extended use. 4. Multiple flashing modes, including fast flash, slow flash, and steady on, are available. A small white LED flashlight is built into the shoulder light for flexible response to different warning needs and enhanced signal transmission. 5. The waterproof and dustproof design withstands adverse weather conditions. Its reliability and durability ensure stable operation in rain and fog, ensuring safe outdoor operations. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Running Light