ITEM NAME:Electronic Transformer 20-40W AC 220V to 12V LED White Power Supply Driver Hot Descriptio n Description: 100% brand new and high quality AC 12V Output Use for low voltage lighting , Change from AC 220V/240V to AC 12V Another load power required between 20-40W, it won't work normally if load power is too high or too low Suitable for 12V LED and Halogen light Specifications: Color: White Material: Plastic shell Input Voltage: AC 220V-240VÂ 50/60HZ Output Voltage: AC 12V Output power: 20-40W Dimension: approx. 1.38*2.56*0.79inch/35*65*20mm Input and Output Cable length: approx. 3.94inch/100mm Package included: 1x LED Transformer Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ New 12V 40W Halogen LED Lamp Electronic Transformer Power Supply Driver Adapter.AC 12V Output. Suitable for 12V LED and Halogen light. Another load power required between 20-40W, it won't work normally if load power is too high or too low. Output power: 20-40W. Input and Output Cable length: approx.