... 1,Use 9 volt battery 2,Patents in the world,BLOCKLITE, The Genuine 9 V LED FLASHLIGHT 3, ... Lightweight, energy-saving 4,Mult Patented in China, US, ... 2 LEDs on 6 LEDs onEasy to replace the batteriesLighting time: over 60 hours continuously with ... Alkaline batteryCompact and extremely light:55g including the battery, 70 X26 X 17MMHousing colors: silver ...