Metal Case: supply shell, simple design, drop, side cooling hole design, safe to use.Transformer: the transformer internal use of highquality copper wire, highpower output.Intelligent electric board: adopts high quality circuit board, scientifically designed wiring port, convenient for external access control machine and electric lock.Fuse Setting: The power supply is designed with a fuse device, which automatically cut off the power when the voltage is too high to prevent further expansion of the fault.Efficient heat dissipation: double heat sinks to prevent overheating of capacitors.Adjustable delay time: new upgraded power supply, adjustable time.Input power supply: 110240V, frequency 5060HZFunctional characteristics: high level, low level, switching three control modes, overcurrent, overvoltage, shortcircuit protectionOutput: voltage DC12VDelay adjustment range: 015SColour:WhiteMaterial:Metalstyle:5ATips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UsePackage Contents:1 * Power Supply TransformerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.