Features 1、High quality generator voltage regulator. 2、With overvoltage protection function. 3、With low speed protection function. 4、The voltage range is adjustable. 5、Single phase and three‑phase integrated. Specification Features: With overvoltage protection function. With low speed protection function. Single phase and three-phase integrated. 50Hz 60Hz is adjustable. Specification: Material: Plastic & Metal Weight: 250g/8.8oz Single phase two line: select by toggle switch Current: continuous 12A Package List: Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List