12V Power Supply Adapter 110V 220V To 12V Lighting Transformer 100W 72W 48W 28W 18W DC 12 Volts Source LED Driver For LED Strip Specifications: Power:18W/36W / 48W/72W /100W Input voltage: (AC100-240V);50/60HZInput electrical current : AC 0 voltage: DC 12VOutput electrical current:DC 1/2A / 4A/6/8AOver-current protection and brief circuit protectionWorking Temperature: 0~40CStorage Temperature: -20~60CAmbient Humidity: 0~95% Non-Condensation