The Oxford Bright Torch Light Set includes a front single LED light and a rear chip-on-board LED light, giving cyclists 270 degrees of visibility. Easy to use, each light can be attached to the handlebars and seatpost without the need for any tools. Supplied with three AAA batteries and two CR2032 batteries, these cycle lights are ready to use straight away._Front Light·        Single high-power LED·        270° visibility·        Runtime: 40 - 70 hours·        Constant Mode: 40 hours·        Flash Mode: 70 hours·        Tool-free handlebar strap·        Battery type 3 x AAA (included)·        Dimensions (approx.): 35mm x 90mm x 35mm_Rear Light·        Chip-On-Board LED·        Runtime: 60 - 100 hours·        Constant Mode: 50 hours·        Flash Mode: 72 hours·        Tool free silicone seatpost strap·        Battery type 2 x CR2032 (supplied)·        Dimensions (approx.): 30mm x 55mm x 10mm