Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Model: KWS-V20 _x005f_x000D_ material: plastic _x005f_x000D_ color: blue _x005f_x000D_ Size: 73*23*14mm _x005f_x000D_ DIY Supplies: Electric _x005f_x000D_ Display Type: Numbers Only _x005f_x000D_ Code accuracy level: plus or minus 1% _x005f_x000D_ Working temperature: normal _x005f_x000D_ Power supply: AC _x005f_x000D_ Voltage: 4-20V+/-1% _x005f_x000D_ Current: 0-3A+/-1% _x005f_x000D_ Time: 0-99 hours _x005f_x000D_ 1. This is the mini USB meter. _x005f_x000D_ 2. It can display all data clearly. _x005f_x000D_ 3. Can easily measure USB (computer USB, mobile phone charger, car charger, mobile power supply and other ports) _x005f_x000D_ And the charging and discharging ability and performance of the working current and output voltage of the equipment, and judge the charging performance of the charging equipment, this tester can meet the requirements! _x005f_x000D_ 4. Suitable for factories, laboratories and personal use, wide range, easy to use, easy to carry alone, no need for additional power supply, plug and play. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*USB Current Voltage Capacity Tester 1.Clear and Compact Display: The KWS-V20 USB voltage current meter features a mini-sized design with a clear digital display. This compact display ensures that all measurements and readings are clearly visible, enabling you to monitor and evaluate the voltage and current output of USB-powered devices effectively. 2.Versatile Compatibility: Designed to measure various USB ports, including those on computers, phone chargers, car chargers, and power banks, this USB tester provides comprehensive compatibility. You can effortlessly connect it to different USB ports to assess the charging and discharging capabilities of your devices. Whether you need to test the charging performance of your smartphone or the power output of a car charger, this USB tester is an invaluable tool. 3.Accurate and Reliable: The KWS-V20 USB tester guarantees accuracy and reliability with its impressive accuracy level of +/- 1%. This high precision ensures that you receive accurate measurements when evaluating the charging performance and battery capacity of your devices. By relying on this USB tester's precise data, you can make informed decisions about the efficiency and quality of your charging equipment. 4.Wide Range of Applications: The versatility of the KWS-V20 USB tester makes it suitable for various environments and users. From factory settings that require quality control assessments to laboratory experiments that demand accurate measurements, this USB tester meets a range of needs. Additionally, individuals can gain from using this tester to evaluate their personal devices, ensuring they are receiving optimal charging performance. 5.Portable and Convenient: Measuring at just 73*23*14mm, this USB voltage current meter is highly portable and convenient. Its compact size allows for easy transportation, so you can carry it with you wherever you go. Additionally, this USB tester does not require any external power source. Simply plug it into the USB port, and it is ready to provide immediate measurements. This plug-and-play functionality adds to its convenience and usability.