Dimmer Switch Feature: 1.Voltage:AC180-250V(50Hz/60Hz) 2.Case Material:PCorABS 3.load power: 400W-2000W 4.Size: 86 * 86 The dimmer parameters:1. Voltage: AC180-250V (50/60MHZ)2. Load: lamps, chandeliers, fans, ceiling fans, etc.3. load power: 400W-2000W4. Material: PC or ABS5. Size: 86 * 86