.High efficiency, high torque, low heat generation. Size: 48mm * 60mm * 28mm ★. Control the speed of an AC motor with this controller. Circuit board size: 36mm * 48mm ★. Used in the oven, hot water heater, lamp dimmer, small motor, electric iron thermostat. ★. Used in series of the lamp or electric circuit, for adjustment of brightness, speed, pressure, temperature control effect. ★ Voltage regulation: 50-220V
