Description: The power supply has a temperature protection, over-current protection and short circuit protection, AC85 ~ 265V wide voltage input, DC12V output, compact, 431 precision regulator. With EMI filter circuit, high cost performance Input Voltage: AC85 ~ 265V Input voltage frequency: 47-63Hz. Output Voltage: DC12V ( ±0.05V) Output Current: 500mA Output Voltage Range: 0~650mA Output Efficiency: 75%-85% Working Temperature: 0 ~ 70? Storage temperature:-20? ~ +85? Size: approx.50*20*15mm Color: Green and black Material: Plastic Package includes: 1x Switching power supply 12V 500MA