FeaturesWide field of view; find your target with easeLightweight & pocket-sizedLarge buttons allow for operation even with gloves onAccessories include a case and a lens cleaning clothFully Multi-coated Optics result in a clear, bright imageCR2-3V lithium battery includedLarge diopter adjustment allows for precise focusingQuickly measure varying distances with scan modeThe Praktica LRF-7 Laser Rangefinder - Green allows you to quickly and easily zero in on your target. Weighing less than 200g and designed to fit in the palm of your hand, the LRF-7 is the perfect range finding accessory. It features an adjustable eyepiece, 7x magnification and a wide 7.1° angular field of view. The LRF-7\'s advance processor and fully multi-coated optics result in a quick and accurate reading every time. Scans distance in Meters or Yards and has a low battery indicator. Rubberised shell gives a slip free and robust feel.Requires CR2-3V Battery included.