Perfect for the urban environment, the Ultratorch Cube Set stands out in the crowd and the compact COB (chip-on-board) arrangement takes up the smallest space on the handlebar. Key Features (Ultratorch Cube F75) • Max Output 75Lm • Runtime 3.5-8hrs • 36 diode COB LED • Low battery indicator • USB rechargeable 3.7v 300mAh Li-Pol battery • Waterproof IPX4 Size (approx): 15mm x 25mm x 45mm Mode & Runtime (Ultratorch Cube F75) 100% Constant: 3.5hrs 50% Constant: 4hrs Flash: 5hrs Pulse: 4.5hrs Day Flash: 8.5hrs Key Features (Ultratorch Cube R25) • Max Output 50Lm • Runtime 3.5-8hrs • 36 diode COB LED • Low battery indicator • USB rechargeable 3.7v 300mAh Li-Pol battery • Waterproof IPX4 Size (approx): 40mm x 30mm x 20mm Modes & Runtime (Ultratorch Cube R25) 100% Constant: 3.5hrs 50% Constant: 4.5hrs Flash: 4.5hrs Pulse: 4hrs Day Flash: 8hrs What's Included • Ultratorch Cube F75 • Ultratorch Cube R25 • Micro USB cable • Tool-free handlebar strap • Tool-free seat-post strap