... image shows test,radio,television,monitoring function.Using TFT LCD display image,LED backlighting with low power consumption.Built-in large ... high-tech electronic products.Low power consumption LED / high-resolution digital display TFT LCD .built-in 2200mAh Li-lon battery, ... , control engineering and technicians.Specification of Satellite Finder: TFT: LED 3.5"(89mm);Display size:73*51mmDots pixels:320 ...