Combo set of a 20 lumen headlight paired with an 8 lumen rear light 2 x 0.5 watt LED`s per light Built-in Li-Ion USB rechargeable battery 3 modes each, 2 steady and 1 flash setting Multi fit rubber strap attachment Low battery indicator Black 3F/3R Combo USB 20/8UPC/EAN/GTIN: 888571039182