Feature: 100% Brand new and high quality. Quantity:1pc Look no further, go to get one for your beloved bicycle! Lighting color: white Case color:Black/Gold/Blue/Silver/Red Lighting modes: 3 modes, including steady, quick flash and slow flash Battery: 2 x CR2032 When using double-sided insulator when removing the battery inside it The switch in the front. Press it for once, the light with plastic cover will be bright. Press it again to change lighting modes. With silicone lamp band. Waterproof design, no worry to get wet in the rain. Material:aluminium alloy + silicone Size:length 13cm Package Include: 1pc LED Bicycle Bike Front Rear Tail Helmet Flash Light Safety Warning Lamp Fine