①. This is an engine voltage regulator, AVR, rectifier. ②. Voltage: DC12V; Applicable area: agriculture; Accessories type: engine accessories; Model: 186F KDE3500 5000 6500 6700. ③. This engine voltage regulator is typically mounted on the engine and used to charge the battery. ④. This engine voltage regulator has 2 plugs with a total of 3 wires. ⑤. If your generator has no output and/or your battery isn't charging, this is the part that may need replaced. ⑥. Material: aluminum ⑦. colour: Silver ⑧. Package Contents: ⑨. 1 x Engine Voltage Regulator ⑩. Only the above package content, other products are not included. ⑪. Note: Light 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.