Both front and rear lights feature 2 super bright 0.5W LED's. Front is 100 Lumens and the rear 25 Lumens
Front - 3 Modes: 1.5 hr (High) / 3.3 hr (Middle) / 40 hr (Blinking). Rear - 3 modes: 3 hr (High) / 30 hr (Low) / 40 hr (Blinking)
Both lights feature CABLE-FREE CHARGING: Simply plug light body directly into USB port for charging
Front features Silicone strap provides easy bi-directional tool-free mounting on handlebars. Rear light Fits aero or round seatposts (ø25.4 to ø34.9mm), seatstay and Topeak bags