silicone buttons are used to set the voltage or current, one key to enter and one key to exit, fast and concise, eliminating tediousness. The immersion gold process of the LCD display panel prevents oxidation and poor contact, resulting in incomplete display after long-term use. Double snap case The connection between the upper and lower plates is more reliable and stable. The performance has been further improved and the power has been upgraded to 1500W, output 0-125V, 0-22A. The display has a variety of ways to play. It can be equipped with an LCD meter, a color screen meter, or you can install a serial screen by yourself. Colour:Black Material:PCB Package Contents: 1 * CNC DC step-down power supply 1 * Control motherboard 1 * Transparent Transmission Module (Connected To App) 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.