Doing what no hand held night vision monocular can the Nite Site Spotter Xtreme allows the user to spot wildlife at up to 500m away and zoom in up to 20x optical zoom to see levels of detail never before attainable with hand held night vision monoculars. Ideal for wildlife observation, security and spotting wildlife when hunting at night, nothing else comes close to the NiteSite Spotter Xtreme. Using a unique design of display, the Nite Site Spotter allows the user to maintain a vertical head position with a wide field of view for thorough surveillance whilst remaining mobile. With a built in brand new high specification Infrared illuminator array, the Nite Site Spotter will provide distinct night vision in excess of 400m in complete darkness. A fast power up time allows the Spotter to be up and running in seconds, and its focus and zoom controls are perfectly positioned to accommodate left and right handed users. The NiteSite Spotter Xtreme features an impressive 20x optical zoom, which can be quickly and easily adjusted and refocused as you pan around. The built in battery pack delivers up to four hours of continuous use and requires 7-8 hours to fully recharge. This Nitesite monocular has an operational temperature range of -20°C to 60°C.