Nitecore SRT7 LED Flashlight -Olight 3400mAh Battery & Nitecore D2 Charger. Nitecore SRT7 Flashlight 960 lumens, CREE XM-L (XM-L2 T6) LED -Olight 3400mAh Battery & Nitecore D2 Charger. Nitecore SRT7 features industry-leading third generation Smart Selector Ring Technology, provides you a smooth and rapidly infinitely variable brightness adjustment from 0 to 960 lumens. The revolutionary built-in Red, Green and Blue LED's offers the unique tactical versatility. So buy this Nitecore SRT7 w/3400mAh 18650 & D2 charger for $99 after promo code N5422 with free shipping at Rakuten.com.