. The Duo LED Light Set is gram-for-gram one of the brightest lights of the year; delivering a staggering 1500 lumens and weighing only 68g. Two Cree XM-L2 U4 LED emitters drive this powerhouse – the most efficient, high power LEDs on the market Manage your Low, Medium, High and Flash modes wirelessly with the touch of your fingertips. The additional Low/High Beam button allows you to alert oncoming traffic just like an automobile on the road The new wireless remote control can be paired with up to three lights for simultaneous operation There are ten brightness levels between 10-100% for your Low, Med, High and Flash modes. Each mode is programmable so you can adjust the modes to your own liking Fine tuning your power level allows you to take full control of your runtime By default, the Duo is set at Low 20%, Medium 60%, High 100% and Flash 60%. To reset your modes back to these factory settings, hold down the button for 10 seconds Handlebar and helmet mounts are bundled in the Duo Light Set for your night time activities. Use the silicone O-ring to mount the Duo onto your handlebar or your helmet A head strap is also available as an optional extra Features: Brightness: 1500 lumens Modes: Low, medium, high, flash Material: Hard anodised Aluminium Safety: Charging and thermal protection, low battery warning In the Box: Duo LED light head, High capacity 4-cell battery, smart charger, built in handlebar mount, helmet mount, silicone O-rings, extension cable, wireless remote Weight: Light Head: 68g; 4-Cell Battery: 229gBuy Gemini Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.