Generator Accessories descriptions We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. 8a Brushless Avr Generator, Automatic Voltage Regulator. Specifications:Gavr-8A Universal 8Amp 1/2 Wave Self Excited Dip-Switch Progmmable AvrVoltage Regulation 5VAC Voltage Regulation < ±1% with 4% Engine Governing Operating Temperature (-40 °C to +60 °C Storage Temperatue (-65 °C to +85 °C External Volts Adjutment ±7% with 1k Ohm 1 Watt Trimmer EMI Suppression Internal Electromagnetic Interference Filtering Unit Power Dissipation Max.8 Watt Under Frequency Protection 60Hz System Presets Knee Point at 55Hz 50Hz System Presets Knee Point at 45Hz Dimensions 107mmL*82mmW*50mmH. Products number : SOMONO88357