Đồng hồ đo độ dày mắt LY-878

Note:This item only support 220V

Feature:
1.Lenses LED violet light test results, fast
2.15 seconds automatic shutdown protection
3.UV-400 tests with gold calibration adjustment knob for easy and accurate testing
Parameter:
1.Input voltage:220V/50Hz
2.Power:10W
3.Weight:1.2kg