Specifications ECM-1002 ECM-1402 ECM-1402H ECM-2002 Safety Compliance: UL/CSA/FCC/FDA/CE X X X X Picture Tube Size: 10" 14" 14" 20" Power Source: 90 ~ 260 VAC (auto-switching) X X X X Power Consumption: 45 Watts 80 Watts 80 Watts 110 Watts Scanning System: NTSC/PAL Auto Sensing X X X X Video Input Signal: Composite Video - 0.5 ~ 1.0Vp-p Negative Sync (75 Ohm) Y/C Signal-Y:1.0Vp-p Negative Sync / C: 0.285Vp-p (75 Ohm) X X X X Bandwidth: 100Hz ~ 6.5MHz (-3db) X X X X Horizontal Resolution: >380 TVL >450 TVL >700 TVL >500 TVL Linear Distortion: <8% Vertical, <8% Horizontal, 10% Max X X X X Video Input Connector: BNC-2 Loop-Thru, Y/C-1 Loop-Thru, RGB-1 Terminated X X X X Output Terminal: BNC-2 ~ Y/C-1 RGB-1 X X X X Operation Temperature: 10~50 Degrees Celsius X X X X Audio Input: 50~150m Vp-p at 1k Ohm X X X X Audio Output: 1.5 watts @ 10% THD X X X X Speaker Impedance: 8 Ohm X X X X Audio I/O Connector: RCA X X X X Physical Specifications: 10.24" H x 9.5" W x 11.42" D 13.98" H x 13.4" W x 14.57" D 13.98" H x 13.39" W x 14.5" D 18.82" H x 16.34" W x 17.16" D External Controls: Contrast / Brightness / Color / Sharpness / Tint / Volume X X X X Weight: 19-21 Lbs. 32-36 Lbs. 32-36 Lbs. 52-59 Lbs.