The world FIRST die-cast flashlight: Nitecore EC4 Die-cast unibody aluminum alloy construction.
Excellent Brightness and Durability: Nitecore EC4 Utilizes a CREE XM-L2 U2 LED and innovative "Precision Digital Optics Technology", maximum output up to 1000 Lumens
Smart Mode adjustment: Nitecore EC4 Dual switch design offers unprecedented ease of use, 5 brightness levels: Turbo, High, Mid, Low, Ultralow, and 3 concealed special modes: Strobe, SOS, Location beacon.
User-friendly design: Nitecore EC4 highest level cooling fins add 30% cooling surface than ordinary, and its' die-cast body ensure heat is distributed evenly and rapidly to surface
Bundle includes Nitecore two NL183 18650 Li-ion batteries, Nitecore UM20 USB battery charger and four EdisonBright CR123A lithium batteries