1. 0.96 inch TFT high-definition display screen, display, compatible with DC port devices, stable, timely and efficient. 2. Voltage and current detection, recording power on data, for power on detection of devices such as computer monitors, power tools, routers, etc., multiple data are displayed on one screen. 3. Intelligent memory current, 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 different needs in different places. 5. Choose high- acquisition chips that support bidirectional current detection and can record the highest power, maximum current, and highest voltage in a single operation. Voltage: DC 4-30V Current: 0-12A Power: 0-360W Capacity: 0-666666mAh Electricity: 0-9999999Wh Timing: 0-99 hours Size: 60x20x12mm Color:Black Material:plastic Package Contents: 1 * Tester 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.