Features High Power Performance: Delivers an impressive 4000W output, making it ideal for controlling a variety of high-power devices with ease User-Friendly Design: Features a convenient PCB board layout for straightforward wiring connections, ensuring hassle-free installation and use Versatile Control Options: Perfect for dimming lights, regulating fan speeds, and adjusting temperature settings, catering to diverse applications Smooth Adjustment Mechanism: The intuitive knob allows for precise and flexible adjustments, providing effortless control without the need for additional components Compatible with Resistance Loads: Designed specifically for use with electric furnaces, incandescent bulbs, and other resistance-based devices for optimal performance Features: 1、The item is a profional and practical 4000W high power SCR electronic voltage regulator controller 2、The Voltage Controller is mainly made of PCB board and electronic components, and convenient to connect wire 3、It is suitable for dimming, speed and temperature control. 4、Gently rotate knob cap, can adjust flexibly, do not need to add any element, the product is practical, convenient. 5、The product is mainly used for resistance load, such as electric furnace ment incandescent light bulb, etc Specification: Features: The item is a profional and practical 4000W high power SCR electronic voltage regulator controller The Voltage Controller is mainly made of PCB board and electronic components, and convenient to connect wire It is suitable for dimming, speed and temperature control. Gently rotate knob cap, can adjust flexibly, do not need to add any element, the product is practical, convenient. The product is mainly used for resistance load, such as electric furnace ment incandescent light bulb, etc. Specification: Product name: 4000W AC voltage regulator SCR model: BTA41-800B Maximum power: 4000W (suggest load within 2000W) Efficiency: between 90% Operating voltage: 220V AC Regulating voltage: AC 0-220v Size: 10 x 6.8 x 4cm / 3.94 x 2.68 x 1.57in Knob inner hole: 6mm Weight: 144g Package included: 1 x Voltage Speed Controller Note: 1. Load must be connected before voltage is measured 2. The product is mainly used for resistance load, such as electric furnace ment incandescent light bulb, etc. Package List