The Exposure Smart Charger works with Exposure’s rechargeable lights for fast and effective charging! It’s smart technology allows the light to be rapidly charged for the first 90%, just in case you are in a hurry and then the final 10% is trickled to allow for maximum power and charge time. This is definitely a must-have accessory for your rechargeable Exposure light and it also features a LED that varies between red and green depending on its state of charge so you are always kept informed. If you find that you need a quick charge for your Exposure bike light often then you need this in your life! The charger LED changing colour also works in conjunction with the fuel gauge / traffic light button mounted on the rear of every light - when on charge the button flashes green constantly to indicate that charge is being taken. About Exposure Lights Exposure Lights have always been designed to get the maximum light from minimum sized unit and Cable Free Design ensures this is maintained. Utilising superb brackets Exposure Lights now include handlebar and helmet mounts, attaching quickly, safely and securely for versatile hassle free riding.