... Also, by means of simulated sunshine, humidity, temperature, condensation etc. is to get the ageing phenomenon ... specify when order)Lamp Wattage:40WControl System:Temperature controller:Imported LED display P.I.D.+S. ... controller(MOELLER)Light heat system:Independent system,Nichrome alloy electronic heaterCondensation humidity system:Stainless steel surface evaporative humidifierBlack plate temperature ...