Joe control
1. small design
2. compact computer
3.8megapixel
4.automatic focus and alignment
Product series
ELITE Digital Visual Acuity Chart
VT-350
VT-150
VT-80
VT-50
Vida
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Message
Contact
Add: Rm 221, Building No.2, Zhong Hang GuoJi BeiJing Gong Ye Yuan No.16 Hong Da Bei Road Beijing 100176, China
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