Feature: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 make it 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.Specification:Voltage: DC 4-30VCurrent: 0-12ATiming: 0-99 hoursPower: 0-360WCapacity: 0-99999MAHElectric energy: 0-99999WHAmbient temperature: 50Size: 41*16*9mm KWS-2302C Feature:1. Adopting a 0.96-inch TFT high-definition display screen, paired with a 12A high current terminal, makes the product more stable.2. Real time monitoring of various parameters such as voltage, current, power, capacity, electrical energy, timing, CPU temperature, etc.3. Click the button, change the page, double-click the button, and rotate the screen to meet the needs of different places.4. Intelligent recognition, capable of recording the highest power, highest voltage, and maximum current of a single event.5. It has bidirectional current testing function, supports fast charging testing, and supports power-off data saving.Specification:Voltage: DC 4-30VCurrent: 0-12ATiming: 0-99 hoursPower: 0-360WCapacity: 0-99999mAhElectric energy: 0-99999WhProduct size: 50.6 * 18 * 9mm KWS-2303C Features:1.Voltage, current, power, capacity, electrical energy, timing, CPU temperature and many other parameters real-time monitoring.2. Click the button, change the page, 3 kinds of display page, make the function more strengthened.3. Double-click button, screen rotation direction, viewing more convenient, can meet the needs of different places.4.1.06 inch TFT high-definition display, let you visual brighter at a glance, bidirectional voltage and current more accurate.5. Can be for chargers, rechargeable batteries and other charging equipment testing a variety of data on one screen, to meet the needs of a variety of tests.6. Full interface compatibility, support power-down save data, support fast charging test, bidirectional current test function, real-time charging power detection.Specification:Voltage: DC 4~30VCurrent: 0~12APower: 0~360WCapacity: 0~6666666mAhPower: 0~999999WhTiming: 0~99 hoursProduct size: 53*20*9mm Package include: 1*Power meter1*Instruction manual