Photon RT 4.5x42 Digital Night Vision Rifle Scope CMOS sensor 768x576 px LCD display 640x480 px Built-in video recorder AVI video clip format 320x240 or 640x480 video clip resolution JPEG photo file format 320x240, 640x480, 1280x960 photo file resolution 5 hour memory capacity 2.4GHz WiFi frequency 50/15 WiFi reception range 4.5-9 magnification 42 mm lens diameter 2x digital zoom 50mm lens focus 1:1.2 relative aperature 4.3 field of view (horizontal, vertical) 7.5m field of view at 100m 22.5ft field of view at 100yd 2.76/70 in/mm eye relief +4 to -4 diopter adjustment 40 lines per mm resolution LED IR Emitter 940 nm IR wavelength 7 degree beam divergence 100mW equivalent IR power 150 140yd/m range of detection 3.8-6.3 V power supply 4xAA battery type 3.5 hour battery life 5V via micro USB external power supply 6 preloaded reticles .1 1 click=Mil windage adjustment Black, white, red and green colors Glass lens Glass-nylon composite and metal body Weaver mounts 5 to 122/ -15 to 50 F/C operating temperature Water resistant Shockproof .375 H&H caliber max recoil 30mm diameter tube Length: 16.57" Width: 3.93" Height: 3.62" Weight: 30.7oz (without batteries) Includes: carrying case, user manual, USB cable, spare battery container, battery container pouch and lens cloth