Optic Technology with Precision optical system consisting of 4 multi-coated lenses
Powerfull Battery with 4 hours working time.
Combine with Loupes work in combination with FD-500 series binocular loupes
Blub Power:LED 5W
Color temperature:4500±500K
Illumination:>21000Lux
CRI:80
Bulb life:50000h
DC charging time:5h
Load weight:230g
Net.weight.:470g
Battery parameters
Specifications:18650
Battery capacity:4000mA
Nominal voltage:3.7V
Limited charge voltage:4.2V