Features: This voltage regulation board is well crafted with adjustable voltage range, and voltage stability. This automatic voltage regulator have overvoltage protection function and low speed protection function, use it with confidence! This automatic voltage regulator is not likely to deform and also have excellent durability for long working hours. Ensures stable voltage output with the R120 Automatic Voltage Regulator (AVR), designing to protect your equipment from fluctuations and enhances the safety and reliability of your generator. Featuring advanced technologys and materials, this AVR offer high performances stability, interference resistance, and a compacts designs for easy installation and maintenance. Equipped with LED condition indicators, the R120 AVR allows users to monitor its operation easily, providing peacing of mind and efficient management of your power systems. Specifications: Component:Plastic+Metal Size:Approx.13x10cm/5.12x3.93inch Detection and power input: voltage 220VAC single-phase 10% Magnetic field output: the maximumly voltage is 95VDC when the voltage is 240VDC, and the current is 4 consecutive years and 6 consecutive years. Working environment temperature: -25℃~70℃ Package Includes: 1pcs Automatic Voltage Regulator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.