AC-DC 100-240V To 12V 300mA DC Power Supply module Step Down Buck Converter transformer For W1209 Temperature Controller

Product Name: AC-DC Power ModuleInput range: AC/DC100-240V (yellow line)Output voltage: DC12V 300mA (red and black)Appearance size: 40x28x23mm (without mounting ears, mounting hole spacing 47MM)Scope of application: for the power supply of the W1209 thermostat , module motherboard power supply 220v to 12v safety Protection function: overvoltage / overcurrent / short circuit / overheating