Item No.: TL350NP-4A; TL500NP-3; TL640NP-2; TL800NP-2 Display: 3.5inches/5 inches/6.4 inches/8 inches LCD Aspect Ratio: 4:3 Signal: Analogous/ Digital (8inches) Resolution: 960x234/640x480(8inches) Point Distance: 0.136(mm)*0.416(mm)/0.253x0.253mm(8 inches) Brightness: 350cd/m2/400cd/m2/350cd/m2/400cd/m2 Contrast Ratio: 150:1 Response Ratio: 3 0ms/25ms(8inches) System: PAL/NTSC Audio Input: 4x2 line BNC/3x2 line BNC/2x2 line BNC/2x1 line (dual speaker) Composite Video Input: 4x2 line BNC/3x2 line BNC/2x2 line BNC/2x2 line BNC Composite Video output: 4x2 line BNC/3x2 line BNC/2x2 line BNC/2x2 line BNC Loop Through: 75 ohm Termination Tally Indicator: yes DC Voltage: DC 12V Voltage Range: 12V-24V Working Range: -20.C~60.C/-10.C~50.C(8 inches) power consumption: <=16w<=15w<=18w<=16w View Angeles: L60./R60./Up15./Down35. Adjust Angles:Up/Down/15./15. 45./45.(8inches) Dimensions: 482.6x89/90/mm/482.6x132x90mm/482.6x177x90mm/482.6x221x65mm Approx Weight: 1.6Kg/2.3Kg/2.6kg/2.7kg