Description: 100% brand new. Made of high quality material, Multi fixation, stronger and durable. Waterproof but can not soak into water, easy to install. Cold and heat resistant silicone material, whether -40 degrees or +220 degrees centigrade. 3 modes: fast flashing, slow flashing and keeping light One-Touch switch design, easy operation Can be mounted on handlebar, seat, helmet, wheel, hub, etc. Sustainable use of all light 35 hours Flashing sustainable use of 160 hours Emergency lighting, night outdoor play, climbing lighting, bike lighting are appropriate Color: black, white, red, blue Size: width:5cm. high:3cm. length:5cm. Battery: 2 x CR2032 batteries (included) This is a security designed for baby products Increase road safety and make your baby safety when outdoor at night the lamp can avoid the stroller bumping during outside on night Direct debit on the trolley beam press one time,the light is on, press two ,the light flash. Can be mounted on handlebar, seat, helmet, wheel, hub, etc.