Bundle: Nitecore EC4 1000 Lumens CREE XM-L2 U2 LED Flashlight First Die-cast Flashlight with EASTSHINE EB182 Battery Case 1. The world FIRST die-cast flashlight: Nitecore EC4 Die-cast unibody aluminum alloy construction. It is made with supreme structural integrity, 200% STRENGTH of an ordinary flashlight that consists of three separate parts. It is only 6.03oz, 30% LIGHTER than similar products. It arranged 2*18650 batteries side by side, 37% SMALLER than similar products. 2. 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, 26,000CD beam Intensity, 352Yards 322Meters beam distance, High efficiency constant current circuit enables maximum runtime of 260Hours,10.83 Days. 3. 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. The Smart designs make sure can direct access to Ultralow mode or Turbo Mode. The blue power indicator can also show the battery power at anywhere anytime. 4. 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, so the flashlight is warm, not hot, keep long hours under high output. Ergonomic body shape make the EC4 extremely easy to grip, double-side dibbles ensure sweat exude through effectively. 5. Buy Together: Get Nitecore EC4 FlashlightBundle with 2 Packs EASTSHINE E35 10A Button Top 18650 Batteries (B0154NRFVE) together, Can Save $3.95 with Code (CODE2E35).