Feature: 1. GOOD HEAT DISSIPATION: Aluminum shell, come with good heat dissipation, corrosion resistance and high texture 2. FOR 178F 186F AIR COOLED DIESEL ENGINE: The output voltage is greater than 12V, suitable for air cooled diesel engine model for 178F 186F 3. VARIOUS PROTECTION: Provide over current protection, over temperature protection, short circuit protection, input reverse connection protection, waterproof protection, low voltage protection 4. 60MM INSTALLATION HOLE DISTANCE: The number of wires is 3 wires, with a fuse, and the installation hole distance is 60mm, which is convenient for installation and safe to use 5. SUITABLE FOR AGRICULTURE: AVR automatic voltage regulator is suitable for agriculture, possess high working efficiency Specification: Item Type: AVR Automatic Voltage Regulator Color: Gray Material: Aluminum Number of Wires: 3 Wires Output Voltage: Greater than 12V Protection Mode: With fuse Installation Hole Distance: Approx. 60mm / 2.36in Application Field: Agriculture. Package List: 1 x AVR Automatic Voltage Regulator