At only 2 3/4 inches on the biggest side this Micro DVRs is so small it can be hidden in anything and is perfect for mobile and stationary covert operations, Connect it to any Lawmate camera, see ""We Also Recommend"" below for a list of compatible cameras, Combine durability and affordability and you"ve got a no-nonsense DVR recorder you can rely on, Metal housing makes this self recording DVR extra durable, Easy One Button On/Off, Analogue camera campatible, Vibration Alert, Appox 90 mins operation time, Video Format H, 264 MOV, Battery: DC 3, 7V Lithium Battery, Time and Date stamp, PC interface: USB 2, 0, Mircro SD up to 32GB, High Definition, 2 3/4 x1 1/2 X 1/2, 5 Volt Input video input, Resolution 720x480 NTSC, PAL 720x576, Includes:, Carrying Pouch, USB Cable, DVR005, 4GB SD Card, Wired Remote Control, SKU: KJB720