Safety Light: The flash is relatively strong and easy to see at night or in the dark. The LED lights are made of silicone and ABS, which can be used as a warning during outdoor activities at night. The silicone strap is stretchable. This bag is lightweight, which is very suitable for: night running, cycling, hiking, night fishing, climbing, adventure, and other night activities.;Flash: There are two modes: Constant light and Flash. It can be hung anywhere. On top of the tent, it is easy to remove. Identify it, it will not trip, or it can be attached to a shopping bag or clothes. You can safely recognize it when walking at night, making camping more interesting;Each bag has: there are three lamp beads on the back; LED high fight for each bag. The warning lights can work for about 70 hours. With 2 extra CR2032 batteries, they can be replaced when the power supply is used.;[Simple and easy to use] Complete one-click flash control, just press gently, even children can easily master the operation.;Wide application: Special soft strap design makes it easier to connect to running clothes, sportswear, etc. From strollers, to bags, to backpacks; dog collars, etc. Very suitable for runners, joggers, children, backpackers, climbers, cyclists, dogs, etc. r nOur customer service team consists of experienced, professional, and responsible staff. They will do their utmost to solve your problems and convey our sincerity and commitment. By choosing our products, you choose safety and peace of mind.