Usmile 7 Inch 800480 400lux High Bright HD LED Monitor Support NSTC PAL for FPV No delay no blue screen or black screen, comes with sunshade 400 Lux High brightness, easily view the screen even in direct sunlight Supports two-way AV signal display, (AV1 and AV2,AV1 can be used to connect receivers, AV2 connected DVR, AV1 do enjoy watching the picture,AV2 used surveillance DVR working state, the screen of a key switch AV1 / 1V2) No delay, no blue screen or black screen, support NSTC and PAL, auto switch Voltage Range: 9-15V ( 3S lipo battery best) Comes with sun shade and audio function, compact and lightweight, easy to carry