Penlight Flashlight Grade General Purpose Lighting Technology LED Number of Batteries 2 Flashlight Battery Size AAA Flashlight Battery Type Alkaline Length 5.39 in Lumens Range 50 to 99 Maximum Lumens Output 100 100 Lumens Run Time on High Setting 3 hr Body Color Red Flashlight Body Material Aluminum Batteries Included Yes Battery Burn Time 3.3 hr Body Dia 0.65 in