... inch TFT color display 3.300meters barrier free remote control distance 1.Touch key2.3.5 inch TFT color display3.300meters ... ,Touch key3,3.5” digital screen, good viewing angle, clear long-range images, Approx 280M barrier free.4,Infrared night vision function ... and Plexiglas panel, Unlike mechanical buttons, cause damage for a long time or moisture, with effect of completely waterproof and moisture ...