Topcon GM-52 2” Reflectorless Dual Display Total Station with Bluetooth These total stations provide an ideal entry-level solution while still offering a wealth of features! Ultra-powerful, advanced EDM technology allows for measurements up to 500m in non-prism mode and up to 4,000m with a prism. With integrated Bluetooth capability and an internal antenna, the total station delivers measurements cable-free to your data collector. Each total station features a 50,000-point internal memory, a coaxial red laser pointer, a beam width of 13mm at 30m, and an alphanumeric keyboard. The rugged, waterproof housing has an IP66 rating. EDM Range: Reflectorless, 500m; Prism, 4,000m. Internal Memory: 50,000 points. Laser Plummet: Yes. Tilt Angle Compensation: Dual-axis liquid tilt sensor. Communications: Bluetooth, Serial RS-232C, and USB Host 2.0. Display: GLCD 192 x 80 pix. Operating Temperature: -4°F to 140°F (-20°C to 60°C). Battery: 7.4V Li-ion. Operating Time: Eco Mode, 14 hours; Normal Mode, 10 hours....