The Nitecore TM26 Quad Ray Light is the world's smallest 3,500 Lumen LED flashlight! Utilizing 4 CREE XM-L LEDs and equipped with an integrated multi-function OLED display, the Nitecore Tiny Monster Quad Ray LED Tactical Flashlight is powerful for its size and user friendly. A thermal protection circuit prevents overheating, and the intelligent charging circuit with voltage detection charges this flashlight safely and quickly. The Nitecore TM26 Quad Ray LED Flashlight is capable of exceptionally long runtimes using between 1 or 4 18650 Li-ion batteries. If you have CR123 batteries instead, the Nitecore Tiny Monster Quad Ray LED Flashlight can use 2 or 8 CR123 batteries. 8 brightness levels can be easily and rapidly changed, and an innovative single button two-stage switch provides a user friendly interface. Don't forget that the bezel ring is made from stainless steel, combined with the toughened ultra-clear, anti-reflective mineral glass to ensure the best protection and maximum performance of the core components. The Nitecore Tiny Monster Quad Ray LED Light w/ 3,500 Lumens also comes with Nitecore's "Precision Digital Optics Technology," providing only the most extreme reflector performance; is a spectacular, versatile, and durable flashlight that is sure to handle any situation.