Industrial Grade 4000w 220v Scr Voltage Controller Variable Speed Controller Features: Accurately measure voltage with our voltage regulator meter, perfect for DIY electricians and professionals alike. Produced with durable plastic, this voltage regulator meter is build to last and with stand any job. Designed for anyone who need to measure voltage in their work or private projects, from beginners to experienced electricians. Whether you're working on home renovations project or installing electrical equipment in an industrial setting, our voltage regulator meter has get you cover. With its simple-to-read display and reliable accuracy, our voltage regulator meter makes measuring voltage faster. Specifications: Material: plastic Plug standard: UK/US/European(optional) Size: approx 115x100x83mm/5x4x3inch Cable length: approx 85cm/33inch Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xVoltage Regulator