Includes - Plumb bob - Tool Kit - Waterproof Cover - Lens ClothCaseAustralian Calibration Certificate - The Topcon DT-305 you’ll be up and working fast, thanks to its simple interface and large, easy-to-see Dual Side backlit LCD. There’s an optical plummet that makes set up over a control point easy, and a tilt sensor that provides ±3 minute angle correction. The DT-300 Series features magnification of 30x, a super-short 0.9m minimum focus distance for those tight areas, and angle accuracies of 5 arc seconds. - The DT-305 Digital Theodolite features lightweight, compact alignment and angular measurement device which boasts up to 28 workdays of power through Alkaline or Li-ion Battery, Tilt Angle compensation and the highest water/dust protection in its category (IP66) paired with expert convenience. - High-accuracy (5” model) measurements - 30x Magnification - Ultra-rugged IP66 - Dust/Heavy rain protection Compact and light weight Long-lasting AA battery life (Up to 30 Working Days) Topcon Li-ion Optional - Easy-to-use Dual large LCD backlit displays - Tilt Angle Vertical Compensator (Automatic)Specifications - Telescope Aperture 45mm - Magnification 30x - Field of view 1°30'Minimum Focus 0.9m - Stadia Ratio 100Angle Measurement - Method Rotating Absolute Encoder - Minimum Reading § 1 (0.0002 gon/0.01 mil)/5 (0.001 gon/0.1 mil) Selectable Accuracy5 (0.0015 gon/0.025 mil) Tilt Angel Compensator - Type Automatic Vertical Compensator Range ±3' (±0.0555 gon)Optical plummet - Magnification 3x Minimum focus 0.5m - Sensitivity of levels Circular level 10'/2mm - Plate level 30/2 mm - Power supply4x AA Dry Cells or BDC71 (Optional)