The 70M is the re-evolution of the award-winning Eclipse 8099, now sporting all-new features for a new year. Still featuring the three clinometers system, combined clear base plate for mapping and mirror for sighting, and a round level bubble for more accurate measurements, the 70M has been fitted with our new Brunton O.S.S. alignment system for even greater precision and reliability. Dimensions: 4.1" x 2.5" x 1". Weight: 3.6 oz. Manufacturer's limited lifetime warranty.