Unleash 1700 lumens of serious brightness with the ampp1700 headlight and its ultra boost mode. Featuring opticubetrade lens tech it throws a wide powerful beam with excellent side visibility to keep you seen and on track. Built tough with a durable aluminium body its made to withstand years of two wheel adventures. Double click to unleash ultra boost mode and enjoy six easy to use light modes with memory function. The large 5000mah battery gives solid runtime and quick usb c recharge while a handy battery indicator keeps you informed. The flextighttrade bracket and optional helmet or fork mounts make fitting simple. Features single high intensity led with 1700 lumen output wide beam with opticubetrade lens and side visibility large 5000mah lithium ion rechargeable battery double click ultra boost mode 1700 lumens six modes with memory function 3 level battery indicator blue orange red usb c rechargeable cable not included lock mode safeguard to prevent accidental activation durable aluminium alloy body flextighttrade bracket included optional helmet and center fork mounts specifications output and runtimeultra boost 1700 lumens ndash 1.25 hrshigh 1300 lumens ndash 1.75 hrsmedium 700 lumens ndash 3 hrslow 400 lumens ndash 5 hrsdaytime hyperconstant 1300 400 lumens ndash 4 hrsflashing 200 lumens ndash 60 hrs dimensions 44 x 30 x 117 mmweight 213.5 g light and batterylight source high intensity white led x1battery li ion rechargeable 3.6v 5000mahrecharge time approx. 4 hrs usb 2.0water resistance ipx4