Terminator GL4 extreme is the successor of the GL4 model.
The detector has manual and automatic ground balance, the speaker is placed on the front panel in order to better hear the quiet and deep signal, the search frequency is 7.5 kHz, this allows for deep search and more stable operation in polluted and mineralized places.
There is a change in the sound frequency and the speaker, which is silicone. The battery is 5000mAh. Li-ion.
Controls:
1/0 VOL turns the detector on and off and adjusts the volume
MAN GROUND/AUTO switch from manual to auto ground balance
GROUND 0 BALANCE sets the manual ground balance
DISKR. sets the detector's ferrous discrimination
2D TONE/SINGLE TONE switch from single tone for all metals to two tones for ferrous and non-ferrous metals
SENS. detector sensitivity and depth
battery level LED
3 year warranty
A Wave product made in Bulgaria