M MAKETHEONE IR Torch 3 Watt 850NM Infrared Light Night Vision Flashlight Torch - Infrared Light is Invisible to Human Eyes - to be Used with Night Vision Device (NOT Include Battery) INVISIBLE IR LIGHT: IR Torch is NOT for General Lighting Purpose. It emits invisible but high power 850NM IR light. NOTICE: IR can't be seen by human eyes.Recommend to use 850NM night vision monocular and goggles together, instead of general camera. ZOOMABLE FOR LONG RANGE: Rotate the flashlight head part to zoom in and zoom out to get zoomable light. NOTICE: ZOOM OUT for Long and Narrow Range. ZOOM IN for Short and Wild Range. Power Supply: 1X AA battery OPTICAL CONVEX LENSE: Toughened, optical convex Lens, enables better focusing in for a condensed spotlight or back out for a flood effect, thus with long range illumination with focused beam up to 850nm. TOP MATERIAL: Aircraft Aluminum, Premium Type 3 Hard-anodized nti-abrasive Coating. Toughened, Ultra Clear Glass Lens, with Anti-reflective ABS lens. LED beads lifetime is up to 10,000 hours on Average. PERFECT FOR NIGHT ACTIVITY: Skid-proof and water resistant design. IR Infrared Torch has advanced infrared LED with high efficiency, low thermal resistance, helps to have better night vision in camping, night fishing, night flying, sailing, caving and hunting.