... ROSH,UL one for HPS,one for MHL,extend the range of spectrum. Notice:This is our patented product, violators ... variesbetween -15%~+15%of ratin voltage7.Protection functions:Open circuit and short circuitprotection functions available.8.Easy installation:Easy to ... , joined in many international fairs, communicated with many growers and counterparts like Philips, GE, EYE, GAVITA,LIGHTS INTERACTION.etc ...