... also,wait for your response. Adjustable constant voltage constant current DC power supplier (AT) Product details Description: TPR3005T-3C power ... a voltage, current, continuously adjustable, dual DC power supply, large-screen LED display with backlight, Built-in knob structure, the operator ... be done in series or parallel. Third Road fixed output, with 2.5V, 3.3V, 5V adjustable. Pleasing in appearance ...