Description
SD3 Lite & Vascular
Interchangeable waterproof probes
alkaline battery
SD3
Interchangeable waterproof probes
OLED display
alkaline battery
SD3 Plus
Interchangeable waterproof probes
OLED display
built-in rechargeable battery
SD3 Pro
Interchangeable waterproof probes,
OLED display
audio recorder
Built-in rechargeable battery