The Lighthouse Elite Rechargeable LED Bike Light Set utilises the latest technology in portable lighting, allowing extremely bright LED lights to be encased in lightweight and compact units. The front light features 3 light settings: high 100%, low 50%, strobe. Whilst the rear light has 6 settings: high, medium, low, fast flash, slow flash, strobe. The bike light output modes are controlled by a sequential switch. Press and release the button to switch between modes. Hold the button down for 3 seconds to turn the lights off. Rechargeable, can be charged via any USB port with the supplied cable. Specification: Brightness: Front: 150 lumens, Rear: 100 lumens Run Time: Front: 2.5/4.5 hours, Rear: 10 hours Light Source: Front: XPG 3W LED, Rear: COB LED Battery: Front: 3.7V 800mAh Li-Polymer, Rear: 3.7V 330mAh Li-Polymer Charge Time: approx. 5 hours Water Resistance: IP54 Impact Resistant: 1m Dimensions: Front: 62 x 30 x 30mm, Rear: 41 x 41 x 38mm Weight: Front: 52g, Rear: 37g