Nitecore EC25 Cobra 860 Lumens LED Flashlight Battery Type: 1x18650 Maximum output: 860 lumens Flashlights Maximum output of up to 860 lumens Utilizes a Cree XM-L U2 LED Innovative two-stage camera style switch offers ease of use (patented) Integrated Precision Digital Optics Technology: provides extreme reflector performance An ergonomically sound design provides a comfortable grip