Magnification：2.5X / 4X / 6X / 8X / 10X / 15X / 20X / 25X
Light Source：Yes
LED Quantity：2
Materials of Frame：ABS
Material of Lens：Acrylic
Lens Magnification - Focal Length:
2.5X - 259mm, 4X - 125mm, 6X - 90mm, 8X - 69mm, 10X - 46mm, 15X - 37mm, 20X - 25mm, 25X - 21mm
Adjustable: Yes
Replaceable Lens：Yes
Color: Black
3 LR1130 batteries are included
Dimensions: 18.5 x 14 x 6 cm / 7.3 x 5.5 x 2.4 inches
Weight: 245g / 0.5lb
Features:
--Practical and durable
--With 2 LEDs to help it work in low-light conditions
--8 pairs of replaceable lens with different magnifications: 2.5X/4X/6X/8X/10X/15X/20X/25X to meet different demands.
--Handsfree eyeglasses, bracket and headband interchangeable to each other.
--Eye patches can be moved 5mm leftwards and 5mm rightwards.
--Face width and distance between left/right eyeballs can be adjusted to adapt to the central position of eye patches between both eyes.
--Widely used in mechanical processing, electronic repair and maintenance, jewelry appraisal, timepieces repair etc
Note: Considering its character of area observation, you are suggested to observe with one eye. It can not focus when you use two eyes lens at the same time
Package Including: 1 x Repair magnifier, 8 x Change lens, 1 x Headband, 1 x User manual