Features APPLICABLE GENERATOR: The AVR board is suitable for Marathon SE350, for Basler AVC63 4D generator, check the model for better fit! ENSURE VOLTAGE STABILITY: The regulator can effectively ensure the voltage stability of the generator, very reliable! SAFE TO USE: The AVR board is designed with low frequency protection and high breaking capacity fuse protection function, EMI suppression circuit, built in high fusing power fuse. EASY TO INSTALL: Comes with a small size and lightweight as well, you can quickly complete the installation and put the board into use. IDEAL REPLACEMENT: The AVR board is an ideal replacement for the old and damaged parts for better voltage regulation. Specification: Item Type: AVR Voltage Regulator Material: ABS Voltage: 190-240V Package List:1 x AVR Board 1 x Manual 2 x Screw 2 x Nut 2 x Washer 2 x Ring 1 x Fuse  Package List 1 x AVR Board 1 x Manual 2 x Screw 2 x Nut 2 x Washer 2 x Ring 1 x Fuse