<p>Metal Case: Metal power supply shell, simple design, drop-resistant, side cooling hole design, safe to use.</p> <p>Transformer: the transformer internal use of high-quality copper wire, high-power output.</p> <p>Intelligent electric board: adopts high quality circuit board, scientifically designed wiring port, convenient for external access control machine and electric lock.</p> <p>Fuse Setting: The power supply is designed with a fuse device, which will automatically cut off the power when the voltage is too high to prevent further expansion of the fault.</p> <p>Efficient heat dissipation: double heat sinks to prevent overheating of capacitors.</p> <p>Adjustable delay time: new upgraded power supply, adjustable time.</p> <p>Input power supply: 110-240V, frequency 50-60HZ</p> <p>Functional characteristics: high level, low level, switching three control modes, over-current, over-voltage, short-circuit protection</p> <p>Output: voltage DC12V</p> <p>Delay adjustment range: 0-15S</p> <p>Colour:black</p> <p>Material:Metal</p> <p>style:5A</p> <p>Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use</p> <p>Package Contents:</p> <p>1 * Power Supply Transformer</p> <p>Only the above package content, other products are not included.</p> <p>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 +\/- 1-3cm.</p>