+B, 4B)
Line correlation:
4 segments line correlation (B, B+B, 4B)
Dot correlation:
4 segments dot correlation (B, B+B, 4B)
Image turning:
left/right reverse, black/white reverse, up/down reverse
Measurement& calculation:
distance, circumference, area, volume and heart rate
C...
Supplier: Kaier Medical Appliance Co., Ltd
www.kaiermed.com/pa/292ye8.html