Underground Magnetics Echo 90 Transmitter (New). Stock number: UM7

The Echo 90 is designed with extra power in mind for deep boring or heavy active interference. The Echo 90 requires a special size housing and slot configuration. The unique patented design with 12 frequencies and two power levels, offers a depth range of 200+ feet with a rechargeable lithium battery and life of up to 80 hrs.

12 Frequencies, 4kHz – 41kHz

18650 B2 x 2 Rechargeable Lithium Battery

18650 B2 (3.7v):80 Hours – Normal Power20 Hours – High Power

230 ft (70m) – Normal Power295 ft (90m) – High Power