Shanghai Canton Optics CT2308H 40-LED Near Visual Chart
Shanghai Canton Optics CT2308H 40-LED Near Visual Chart
Brand: Shanghai Canton Optics
MAIN FEATURES
- LED background chart (double sides)
- Test distance: 40CM
- Input: AC110V~240V, 50/60HZ
- Output: DC5V, 800mAh
- Nokia 3100 battery 800mAh
