... compensator. Excellent sealed structure. Anti-shock.Stable reading. Automatic level,Auto level Features:Reliable Air-damping. wire-hung compensator with X wire ... and dome head tripod.Endless horizontal drive.Standard outfit: Auto Level, plumb bob, adjusting wrench x 2, desiccant bag, instruction manual, ... Circle360°or 400G optionalInstrument Size192mm×134mm×138mmNet. Weight1.4kg Auto Level NA-24