NiWalker Nova MM18II -3x LED39;s -8200 Lumens Utilizes total three Cree emitters 2*XHP70 and 1*XM-L2 Maximun output up to 8200 ANSI lumens Highly effcient circuit design offers maximun output and runtime Dual Multi-function clicky side switch and on/off Memory function to remember last output setting used Advanced thermal protection circuit prevents overheating ships out within one business day by Andrew-Amanda