?About The Privacy Glass:Privacy glass also calls smart switchable glass or intelligent glass, its made?by the PDLC film and the double tempered glass with high temperature?and high pressure.A simple(ON – OFF)mode switches the glass from being clear to frost .This product is simple to install just?like any standard double glazed sealed unit.This energy saving product is completely solid state requiring no maintenance or special cleaning requirements.?PRODUCT-FEATURE?1.Transparent when power on, opaque when power off; freely switching; concise and convenient.2.By spinning the voltage control button, change the light intensity and Infra Red Transmission automatically according?to the change temperature and lights outside the window, which can achieve the effect for fixing the temperature?and?light. It is of high UV resistance, environmental protection and health protection.3.Double layer laminating technical, Of the high quality of safety glass, it is safe and firm, together with sound?insulation, heat insulation and high noise resistance.4.Various controlling ways: switch, light control, voice control, thermal control, remote control, remote network control,etc, custom made by customers require.Thickness4+4/5+5/6+6/8+8/10+10/12+12...Maximum size1800*3500mmFrequency/Working voltage50/60 Hz 60VPower consumption6w/sqmParallel lighttransmittanceOn: 80% Off: 5%Visible light transmittanceOn: 78.78% Off:64.5%Life time>50000hoursHaze3.83% http://www.huichipdlc.com/pdlc-film/smart-switchable-glass/suntuitive-dynamic-glass-for-sustainable.html