Crazy Shopping Waterproof White LED Light with Purple Silicone for Bicycle Color: White LED , Purple Silicone Materials: Flexible Waterproof Silicone 2 Lithium batteries (included) Size: Approx 1.77 x 1.38 x 1.18" / 4.5 x 3.5 x 3cm (L x W x H) Package:1x Bike light