PZEM-004T Current Voltage Power Supply Energy Module AC 80-260V 100A in CT USB Adapter 28TC AC 80-260V 100A Electrical Monitoring & Communication Module, TTL Port Energy Voltmeter, with CT & USB Cable Description:This is an electrical monitoring test module with CT and USB adapter. The module can be used to test power, energy, voltage and current, and then display on computer or other terminals. Designed with a one-key reset button, you can reset your energy data by simply pressing one button. What's more, it can store data when power off and store accumulated energy data before power off, so it is very convenient to use. It can be widely used with distribution box, power distribution cabinet, voltage regulators, teaching aids and household small distribution box. Features: AC voltage test range 80-260V, working voltage 80-260V, the maximum current can reach 100A Electrical parameter measurement function, including voltage, current, active power and energy measurement Designed to test high electrical equipment, and you can intuitively observe the cumulative process for low power load test (Within 100W) Equipped with TTL serial data transmission interface, you can read and set the corresponding parameters through the port Serial Key on the panel can be used to reset energy, convenient for users Specifications:Operating voltage: 80 - 260VATew voltage: 80 - 260VACrated voltage: 100A/22000W Operating frequency: 45-65HzMeasurement accuracy: 1.0Board size: 7.3 × 3 × 2.3cm / 2.87 × 1.18 × 0.9" If you need the software, please use this link to download it by yourself, you can also contact our service staff or leave us a message, We will send it to you. Package Included:1 ×Multimeter Module1 ×USB Adapter1 ×Current Transformer