1 touch points:4-touch 2 resistance to strong sunshine 3 water-proof,vandal-proof 4 outdoor usage 5.CE,FCC,RoHS ... ,maintenance free.4. Aluminum alloy shell with strong stability.5. Tempered glass with high light transmittance and true color rendition ... response(less than 16 ms), no blind area, breakpoints, jump points, pause and otherundesirable phenomena.10. Compatiblewith multiple systems, support ...