The PSM-3004 with POWER SUPPLY, 1CH, 30V, 7A, ADJUSTABLE is a power supply manufactured by GW INSTEK. It is a single-channel power supply with an output of 30V and 7A and adjustable voltage and current settings. The unit features short circuit and overload protection, low-battery voltage warning, and overvoltage protection. It also includes a USB interface for communication with a computer. The unit is suitable for use in research and development, educational, and other applications, and comes with a 2-year warranty.