energy saving voltage regulator 1. LCD Display 2. Wide Input Voltage Range ... ,HI-FI,DVD,FAX,Copy machine,Satellite decoder,Printer,Scanner, Air Conditioner, Computer, Test Equipment, Fridge&Freezer, Lighting , Equipment Etc.. 3 ... (options)Operating Temperature: -5~+40Storage Temperature: -10~+50Compliant Standards: CE energy saving voltage regulator