Electronic/ Laser Theodolite

Encoding Laser beam valid for 100m(ETL series only) With Internal memory for 256 pairs of H. & V. Angle Dual Sides Large Display   Specifications of ET-02/ET-02L, ET-05/ET-05L & ET-10   TELESCOPE Image: Erect Magnification: 30X Effective aperture: 45mm Resolving Power: 3" Min, Focusing Distance: 1.4m   ANGLE MEASUREMENT Accuracy: 2" for ET-02/ET-02L, 5" for ET-05/ ET-05L & 10" for ET-10   PHYSICAL CHARACTERISTIC Operating temperature:-20°C-+45°C Internal Power Supply: Rechargeable Ni-H battery/ AA battery