4LSM-AV Operation Manual Features: 4LSM-AV is a compact, durable, portable, running on rechargeable battery TFT LCD Service 4”Monitor. With built-in charger circuit, it can run on 6 x “AA” rechargeable battery, control panel with Power Switch, Brightness Control, Color Control and Volume Control.
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4” TFT LCD Service Monitor Specification Model 4LSM-AV Display 4" Color TFT LCD Number of dots 480(W) x 234(H) Display Area 82.1(W) x 61.8(H) Dot Pitch 0.171(W) x 0.264(H) Color Configurations R.G.B delta Back Light CCFL NTSC & PAL (auto-switch) composite video signal Input Signal 1.0 Vp-p / 75 ohm sync.