Item Type: Lighting Transformers Material: Plastic Case Warranty: 1 year ( Adapter for DIY Light Lamp High Power LED Chip) Certification: CCC Certification: ce Input Voltage: Input AC 100-240V (110V 220V) Output Voltage: Output DC Input Signal: AC Output Signal: DC (for Spotlight/Floodlight/E27/GU10/Ceiling Lights/Lamp/Bulbs) Weight: 50g Features: Constant Current ( 300 / 450 / 600 / 900 /1500 mA)