Flame retardant metal chassis: High temperature resistant, does not deform; metal construction resists rust, effectively withstands high temperatures and heavy pressure to help eliminate potential safety hazards. Easy to use with infinitely variable speed adjustment for precise control without gear restrictions. Back mounting hole design is user-friendly, allowing for flat placement or convenient hanging. Suitable for use in household appliances, industrial equipment, scientific experimental instruments, factories, schools, and other electrical applications. Premium construction: Made from high-grade materials, this component offers durability and reliable performance under various operating conditions. A valuable upgrade for maintaining appliance efficiency. Power frequency: 5060 Hz Output power: 2000W Rated power: 4000W Rated current: 9A Speed range: 10220 Plug type: UK plug (compatible with Malaysia, United Kingdom, and other regions using UK standard outlets) Voltage: AC 220V Color: As shown Material: Metal Package contents: 1 4000W Voltage Controller Note: Other items not included. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement may vary by 13 cm.