1. 0.96-inch TFT high-definition display, all-in-one display, compatible with various DC port devices, stable, timely, and efficient. 2. Voltage and current detection, recording power-on data, power-on detection for computer monitors, power tools, routers, and other devices, multiple data are displayed on one screen. 3. Intelligent current storage, real-time display: Real-time display of power status, voltage, current, capacity, and other data at a glance. 4. Click the button to change the page. Double-click the button to flip the page, which can meet the different needs of different locations. 5. Using a high-precision detection chip, supports bidirectional current detection and simultaneously records the highest power, maximum current, and highest voltage. Voltage: DC 4-30V Current: 0-12A Power: 0-360W Capacity: 0-666666mAh Energy: 0-999999Wh Timing: 0-99 hours Color: Black Material: plastic Package Contents: 1 x KWS-DC28 Detektor