Easyrad 2 V Gpr-(ground-penetrating Radar) Geophysical EasyRad 2 V GPR - Shielded antenna version !-Shipping with TNT Express Worldwide from 4 to 7 working days Software: Windows (XP/7), Android (4.0+) TWO SET MODE:0 to 3.5 meters (50 nanoseconds)0-7 meters (100 nanoseconds) Data Transmission - Cable / Wireless (RF) (Optional) Weight (with Batteries) about 2kg -Power consumption 2,8 watts,Maximum voltage of the transmitter 1000 Volta Maximum Range(Deep) 7 meters-Operating frequency 500 MHZ