1. Quickly identify multiple parameters such as current, voltage, power, electric energy, capacity, timing, etc., and display multiple parameters on one screen. 2. The 0.77-inch OLED high-definition display makes your vision brighter, and it is equipped with 12A high-current terminals to make the product more stable. 3. The CNC metal shell is dust-proof and drop-proof, and the two display pages easier to view and enhance the functions. 4. Full interface compatibility, bidirectional current test function, real-time charging power detection, and support for fast charging test. 5. It can detect the charging status of electrical appliances in real time and monitor charging voltage and current and other parameter information at a glance. Voltage:DC 4-30V Current:0-12A Timing:0-99 hours Power:0-360W Capacity:0-99999MAH Electric energy:0-99999WH Ambient temperature:50 Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Plastic Package Contents: 1 * Charger Capacity 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.