Description Good workmanship Precision regulation Button pressure adjustment is more precise Pressure resistant and flame retardant Wide range of uses: household appliances, industrial electrical appliances, scientific laboratory equipment, electrical equipment for factories, schools, etc. Specification Product name: SCR electronic voltage regulator Product model: GT-4000W Controllable model: BTA100-800B (imported) STMicroelectronics Input voltage: AC220V Output voltage: 0-220v adjustable (the output voltage is less than the input voltage) Maximum power: 4000w Voltage regulation range: 0-220V steplessly adjustable (under load conditions) to truly achieve step-down to 0V, boost from 0V Rated current: 9A Maximum current 18A Product features: zero lag, zero delay. With a peak voltage absorption circuit, it effectively protects the high-power SCR, anti-surge, anti-spike, and RC absorption multiple protection Package Included 1 electronic voltage regulator