Mag 8

• System Frequency: 10 Frequencies, 4kHz through 31kHz
• Water Resistance: IP65
• Telemetry: 4 radio channels with range up to 3000 ft
• Rechargeable Lithium Battery Pack: 12.5V
• Battery Life: Up to 50 hours
• Compatible Transmitters: Echo ST, Echo 1 19k, Echo 1 30k, Echo 1, Echo 2S, Echo 3, Echo 50, Echo 90, Echo 110