1-1/4″ Fuel Quantity Indicator for Non- TSO Instruments. Includes DB9 connector & pin sockets for making wiring harness (Not incl-Use #18 to #24 Ga. wire). 10-30 Volts DC (Power Supply Voltage), and 100 mA (Current Drain). 270º sweep. Requires 0-5V capacitance sender & 1A fuse for installation. UMA Instruments.