Description: LED backpack light parameters: Product Name: LED Silicone Backpack Light/Bike Warning Light Product material: silicone ABS electronic components Power supply battery: 2 CR2032 batteries Number of LEDs: 3 LED highlight lights (2835 SMD lights) Product unit weight: about 13.2g Lighting mode: key switch control: long light--fast flash--slow flash--off Product color: red/green/blue/white/orange/yellow/pink/purple/black Product specifications: total length 20CM, circular diameter 3CM Color selection: The surface of the product is frosted texture, and the visual effect is changed by the color of the internal LED light. Product introduction: The design is compact and portable, and can be used for night travel and mountaineering team warning identification to improve travel safety. Specifications: European and American popular outdoor backpack lights Silicone backpack lights LED backpack lights Night running flash signal warning lights Package Included:1*Bike Warning Light