Display for display of FHR, battery status, alarms, and detector you are using.
Detachable 2 and 3 MHz waterproof detector for FHR detection.
Detachable detector 4 – 5 – 6 and 8 MHz for vessels.
Operation with rechargeable batteries.
Output for headphones.
Carrying Case.
Probe for 2 – 3 – 4 – 5 – 6 – 8 ΜΗz