* High quality video by new chip * Analog / Digital 4CH input * Auto select NTSC / PAL * Adjust brightness, light & darkness, color and chroma each 4ch * Auto Sequence * Time setting 1 ~ 99 sec, LOSS CH AUTO SKIP function and control sequence of switch * 8 color of OSD and block ON / OFF function * Freeze each channel and x4 zoom motion picture function * Built-in auto recover system - Input 4 CH (video) BNC 1Vp-p 75ohm / Composite - Output 2 CH video OUT BNC 1Vp-p 75ohm / Composite - English (Using Language) - OSD English 32 letters (letters, number, simple, 8 colors) - Apply USA, EURO, Asia TYPE - 100V-220V, 50-60Hz 0. 2a - exterior / weight 180 (W) mm x 44 (H) mm x 25 (D) mm / 1. 5 KG