materials: the housing of the transformer power supply is made of durable materials.The internal coil of the 12V power supply is made of pure copper coil. With honeycomb heat dissipation holes, which are good for heat dissipation and can extend the life of the power supply. Multiple safety protection: 12V LED transformer internal circuit is reliable, with over voltage, overheating, over-current and short circuit protection, the load will not damage the power supply, no interference, no minimum load, no flicker, no noise. EASY TO INSTALL With a thickness of only 23 millimeters, it requires very little installation surface and is easy to hide. It can be placed in a ventilated, dry place or hung . Extremely versatile: low voltage design, widely used in LED strips, LED lamps, security monitoring, audio equipment. Parameters: Input voltage: 230V AC Output voltage: DC 12V 8.3A Maximum power: 100W Material: Metal colour: Black Package Contents: 1 x transformer Only 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 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.