Scan speak Illuminator or Revelator
here's the models
D2904/710003 – Scan-Speak A/S
D3004/662000 – Scan-Speak A/S
revelator has higher sensitivity and higher BL
here's the models
D2904/710003 – Scan-Speak A/S
D3004/662000 – Scan-Speak A/S
revelator has higher sensitivity and higher BL