KNACRO LM7815 + LM7915 Dual Voltage Regulator Three-terminal regulator power supply module 15V Dual Voltage Regulator with rectifier bridge Dual Voltage Regulatorthree-terminal regulator power supply module. This module can be output: 15V, dual voltage Input voltage range: DC 18 ~ 36V, positive and negative dual voltage. AC 15 ~ 30V, positive and negative dual voltage. Dual output voltage, must enter the positive and negative dual voltage. Applications: DIY power supply, monitor power supply, laboratory power supply, camera power supply, automotive power, communications equipment power supply, etc.