3.5inch handheld TFT LED Muti-function monitor/satellite finder good price fast delivery 3.5inch handheld TFT LED Muti-function monitor/satellite finderThe main function features:1, support AV input and output, switch simple and quick.2, the new development LCD driven plate, the display on the LCD panel battery remaining power3, increase 13V / 18V signal locking the lamp to make adjustment star ...