Model Number: POW50A AVR appliction: brush and brushless generator voltage: 220v Other Universal models: Brushless: GAVR-8A, GAVR-12A,GVAR-15A,GAVR-20A , AVR-704,AVR-703 Universal Brush & Brushless: AVR-701,AVR-35A,POW50A,POW50B, AVR-100A Voltage: 195-265 Volts min Frequency: 50Hz nominal Output Voltage: 0-115 volts-DC at 230volts Current Continuous: 30A Intermittent Current: max 50 A-DC (for 10s) Regulation: +/- 2% typical. Soft star: 2 sec Under frequency protection: 40-50 Hz ENVIRONMENTAL Operating temperature: -20 to +70 Celsius Maximum humidity: 95% non-condensing Storage temperature: -30 to +80 Celsius colour:black Material:plastic Package Contents: 3 * pressure regulators Only the above package content, other products are not included. Note: Light reflection 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.