This wall fan is the lite version of industrial wall fans, and also the lowest cost option. The grill wires are thin and less durable than the premium version, but still good for normal prolonged use in industrial applications. It has only manual switch control with oscillation function. Specifications: Voltage 220V/50Hz, Power 100W, Blade diameter 650mm (26"), Total diameter 700mm, Speeds 3, Control: Local 3-speed select switch.