Feature of Waterproof DC12V IP67 15W LED Driver Power Supply Transformer:

With the functions of over voltage protection, short circuit protection and overload protection
Constant voltage output, to ensure the stability of the power supply
With the anti-interference function, to ensure the long-life LED lamps
Waterproof IP67, for outdoor use.
DC12V IP67 Constant Voltage LED power supply / driver / transformer

The LED Transformer / Driver is used to power low voltage (12v) LED bulbs strip lighting or any other DC 12V devices.
This is a Smart switch power supply for converting AC 110V/220V to DC 12V with a switch to choose proper input voltage of AC 110V or AC 230V and provides a steady output voltage.
Technical information:

Input Voltage: AC 110V/230V
Output Voltage: DC 12V constant Voltage
IP rating: IP 67