Product_description: ['HLG-HLG-80H-48 from Vivotek is a 80W 48V 1.7A Single Output Switching Power Supply . It is characterized with Universal AC input / full range (up to 305VAC) , Built-in active PFC function . This product offers high efficiency up to 93.5% and protections over short circuit / over current / over voltage / over temperature and Cooling by free air convection . Three in one dimming function (1 ~10Vdc or PWM signal or resistance)'] (Page 1)