This instrument is used in many production aircraft. It contains an electrically driven gy-roscope supported in a gimbal inclined to the horizon so that the instrument senses roll as well as yaw. The RCA82A series is an all volt instrument that works from 11 – 30VDC. The movement is presented by an airplane symbol banking on a fixed horizon with a power warning flag. DIMENSIONS Length: 6 1/2 in. max. Width: 3 3/8 in. max Height: 3 3/8 in. max. Weight: 1.9 lbs Specify light voltage when placing order Mating Connector MS3106A-10SL-3S $30.00 if needed Connector pin out: A: +12 – 30VDC B: GROUND C: SPARE : Kelly Manufacturing