The Author Vision 800 lm is a USB rechargeable headlight with a massive 800 lumens output. This light features 4 modes take you from the bike lane to the trail. The Author Vision 800 lm is equipped with the newest lens techniques. There are one main lens with 500 lm LED and two side’s lenses with 150 lm LED. Al of them are fixed in the alloy case and are optimized to maximize the light output, light beam and the lumen efficiency. The beams are projected in a wide range, not in a straight line only. The side LED’s provide you a 180-degree light beam and increases your visibility to other road users. Highly practical feature is the LED battery capacity / charging indicator which is integrated in alloy case, this will help you stay aware of your battery life so that you can change modes and charge accordingly so that you don’t lose light while on the go. Cree LED 500 High Lumen & 2x LED 150 lm. The light comes with 4 different light modes for different light conditions or for different battery life. Full Power (500 lm - 2,4 h) / Full power with side LED (800 lm – 1,2 h) / Diming (800 lm - 6h) / Flashing (500 lm – 3 h) Smart memory switcher – 2 second push to switch OFF in any light mode (switch ON in the same mode) . 4 green LED capacity indicator ( 4 LEDs = 100 – 70%, 3 LEDs = 69 – 50 %, 2 LEDs = 49 – 20%, 1 LED = 19 – 0% recharge it). Battery pack LI-ion / 3,7 V / 1500 mAh. Charging time aprox. 3 hrs (5 V/1,5 A charger). Recommended discharging / charging period – minimum 1x / 6 months. Charging cable included (USB A / Micro-B). The silicone mount fits any sized tube with a diameter of 22-35 mm even the unround profiles. Size 85x45x25 mm / Weight 97 g. ↓↓↓# light rechargeable # USBwhere to buyaccessoriesother views Photogalleryphotogallerydownloadvideogalleryproduct optionsaccessories Photogallery Download charging [ pdf, 454 kB ] Videogallery Product options black = UA#12002312 accessoriesAUTHOR Bracket A-Light X9Universal bracket for the light Author Zoom 150 and Vision 800.