RAP4 Portable DVR features: Infrared LED illuminators for night vision recording Image sensor: 1/4" color CMOS View Angle: 60° Recording resolution: 640x480 pixels, 30fps Recording file: AVI Supports Real Time & Date Display on the video Microphone, Stereo Sound Repeat storage by section, 2 minutes per section Support SD/MMC Cards from 256MB to 32GB Power supplied by rechargeable battery, USB cable, car charger, or wall plug charger Interface: USB / AV out, Removable SD Card Product Size: 78mm (Tall) x 62mm (Wide) x 29mm (Thick) Carton Size: 425mm (Long) x 350mm (Wide) x 290mm (Thick) Carton Weight: 8.5KG (N.W), 9.5KG (G.W) Details pls visit: http://www.rap4.com/paintball/os/rap4-portable-dvr