Voltage Regulation Module 1000W High Power Dimmable Speed Temperature Control AC Voltage Regulator Array 220V 1. AC Voltage REGULATOR: This module is used to regulate alternating voltage, high power 1000W, practical and effective.2. Multi-function function: This AC voltage regulation board is multi-function, which can be used to control serial port dimming, speed and temperature.3. Manual Control: The module is designed with button, you can control the output voltage plus or minus manually by button.4. Regulation method: This module controls the load voltage stepless regulation by adjusting the signal voltage from 0 to 5V.5. Communication protocol support: the module supports standard serial port communication protocol, add more convenience. Specification: Item type: voltage regulation module Material: ABS Color: white Voltage: 220V Purpose: serial port dimming, speed, temperature control Package list: 1 x Voltage regulation module