... 2.LED Backlight 3.High Shock & Vibration Resistance 4.Low Power Consumption 5. Wide Tem Specifications DLF0615Description6.4" TFT LCD, LED ... / R Control Button 5 Key / 4 Key5 KeyPower Switch, Menu, Select (+,-), Auto4 KeyPower Switch, Menu, Select (+,-),OSD MenuBrightness, Contrast, H/V Position ...