DTY series intelligent single-phase ac power voltage regulator module designed by single-chip microcomputer, is a high precision products developed by our factory, it solved the uneven products on the present market, such as signal input inaccuracy, unstable power adjusting, error,etc. Load voltage: single-phase 0 - 220V, Current are rated:100A It is widely used in lighting equipment,temperature control equipment,Ac motor soft start,ac train wave speed control and other power automatic adjustment occasions. It is widely used in lighting equipment,temperature control equipment and other power automatic adjustment occasions. Noted: Can't control AC motor speed!!! Note: This type of voltage regulating module is not suitable for inductive loads such as and motors. Colour:As Shown Material:plastic Package Contents: 1 x single phase AC voltage regulator module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.