standby artificial horizon

This is a standby horizon suitable for the Boeing 737. The artificial horizon is used as a backup incase of glass cockpit screen failure. This item is in very good condition and has built in level and adjustment knob at the bottom. Also the various 'flags' are present as seen in the photos. ( pulling the knob levels the horizon & secures for transport )

sold as seen. No warranty is provided as to its operating condition.