The Oxford Bright Torch Light Set comprises of LED front and rear lights.Key Features (front)• Runtime: 40 - 70hrs• Single high-power LED• 270° visibility• Tool-free handlebar strap• Battery type 3 x AAA (supplied)• Size (approx): 35mm x 90mm x 35mmModes & Runtime (front)Constant: 40hrsFlash: 70hrsKey Features (Rear)• Runtime: 60 - 100hrs• Chip-On-Board LED• Tool free silicone seatpost strap• Battery type 2 x CR2032 (supplied)• Size (approx): 30mm x 55mm x 10mmModes & Runtime (rear)Constant: 50hrsFlash: 72hrs""