1、【Universal Silicone Strap Accessory】The upgraded silicone elastic strap allows the reflector to be attached to anything like backpacks, helmets, dog collars, scooters, strollers, bicycle headlights or taillights, and helmet lights are easy to install and secure, will not slip. 2、【Super Bright LED Lights】The running lights contain high-quality LED lights that provide powerful brightness both day and night. Whether it's a foggy morning or a rainy day, it's easily visible from hundreds of feet away. Keep you safe anytime, anywhere. 3、【3 Lighting Modes】Reflective walking device provides instant lighting stabilization/flash/strobe with one button. Simple and safe operation, let the whole family fall in love with it. Essential equipment for your various activities. 4、【Waterproof and Shockproof】The backpack light is designed with a durable waterproof shell. It's a handy low-maintenance item that's perfect for all conditions when you're running, biking, jogging, hiking, camping, dog walking, and more. 5、【Long-lasting and Durable】The stroller light is powered by two coin cell batteries, which can provide up to 100 hours of powerful brightness. You can reuse the safety light by replacing the internal battery (CR2032). Get it now! 2*Light with Silicone Strap Product Name: LED Silicone Backpack Light/Bike Warning LightMaterial: silicone+ABS+electronic componentsPower supply battery: 2 CR2032 batteriesLED bulb: 3 LED lightsWeight: 13gFeatures: small and portable appearance design, can be used for night travel, mountaineering team warning identification, improve travel safetyLighting color: red, blue, greenSize: total length 19.5CM, round diameter 3CMColor: The surface is transparent and frosted, and the visual effect is changed by the color of the internal LED lights.Packing: single opp pack