flame retardant metal chassis: high temperature flame retardant not deformed, metal paint does not rust effectively prevent high temperature, anti-heavy pressure, to eliminate potential safety hazards!Easy to use, infinitely variable speed adjustment, free control adjustment, no gear restrictionsThe back of the mounting hole design is very humanized, flat, hanging convenient and freeThe product can be widely used in household appliances, industrial appliances, scientific experimental instruments, factories, schools and other electrical equipment.There is a slight color difference in the shipment, the factory batches are different, the printing fonts are different, it does not affect the usePlug Type: EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.Voltage: AC220VColour:Photo ColorMaterial:MetalPackage Contents:1x Adjustable voltage regulatorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.