Product Name: Led Driver/ Power Supply/ Transformer Input Voltage: Ac 190v-240vac Output Voltage: Dc 12v Or 24v (±3% Error Is Normal) Power: 60w - 400w Shell Material: Aluminum Working Temperature: 0~60c Storage Temperature: -20~60c Ambient Humidity: 0~95% Non-condensation Safety Compliance: Fcc / Ce / Rohs Main Features 1 Super Thin And Small Size Design 2 Silient, No Any Noise 3 With High Conductivity Aluminum Case, Very High Efficiency Of Heat-dissipation 4 High Quality, Warranty 1 Years Package Included 1pcs 12v/24v Transformer Led Power Supply