Turn and Bank Indicator features DC-AC-DC converter. The ultra precision electrical AC gyroscope makes this type significant difference in life, accuracy, preciseness and reliability compare to DCDC- DC structure available in the market. Power Supply: 10 to 30VDC, Electrical Consumption: Max. 1.0A at 11 to 26V DC, Max. 0.35A at 26 to 30V DC, Operating Range: 2 min. turn Weight: 0.74kg / 26.05oz. Use P/N MS3106A-10SL-3S for 3 pin Connector, and P/N MS3057-4A for cable clamp.