... , EG3000 has features of Multi-Frequency, High-Power and Low-Loss. Multi-Frequency Technology facilitate field operation, optimal frequency singal helps to locate underground ... *16 cm*39 cmWeight3.6 kgOutput modeDirect Connect, Linductively, CoupledOutput frequency Trace mode577Hz,8kHz,33kHz,133kHzTone mode577Hz&133kHz pulsed at 8HzSheath ...