note:   !!!<br />           !!!!!!!!!!!<br /><br />1. and high quality<br />2.maximum power: 5000 w impedance load limit power｣ｬ when used for a long time｣ｬ should reduce the power｣ｬsuggest using impedance load 2500 w.<br />3.effective rate: more than 90%<br />4.working voltage: ac 220 v<br />5.output voltage｣ｺ0-220v<br />6.application｣ｺlamp dimmer｣ｬmotor speed control｣ｬthermostat<br />7.size｣ｺ85*70*42mm<br /><br />package included｣ｺ<br />1x scr voltage regulator<br />