LED Display AC 220V 4000W SCR Voltage Regulator Regulator Light Dimmer ThermostatApplications:Electric Stove, Boiler, Lamps, Small Motor, Electric Iron, etc. Note: The charge does not exceed the maximum power, otherwise it will burn the module and electrical appliances; Use the resistive load as much as possible; Reduce the capacitive and inductive load of large amount of energy. (It's best to leave more than half of them)Protection: Anti-Peak, Surge, RC Absorption (EOC)Usage:The input is connected with AC 220V, the output wire is connected to the electric cooker or the motor of the appliance, turn the knob for speed, voltage, temperature adjustment. Specifications:Operating Voltage: AC 220V Maximum Power: 4000W (Connected Resistive Load)Voltage Regulation: AC 0-220V, starts from AC 10V Module Size: 8.5x6x3.9cm/3.35x2.36x1.54" LED Panel Size: 7.5x 6cm/2.95x2.36" Quantity: 1 PcNote: Please allow 1-3mm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!No Retail Package Package Content:1 x Voltage Regulator