100 brand new and high quality Feature: Stable, no flickering. Mainly used to adjust the speed of fan. Low power consumption and energy-saving. Constant voltage and constant current output. Easy to install and simple to use. Speed Controller only, other accessories demo in the picture is not included. Specification: Power: 15W-300W Voltage: AC220V Current: 10A Material: Plastic Size: approx.8.6x8.6cm/3.39x3.39in Shell Color: White Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls 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. Thank you! Package Includes: 1 x Speed Controller The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.