LED Headband Magnifier Professional Magnifying Glasses For Jewelry Loupe Watch Electronic Repair 1X 1.5X 2X 2.5X 3.5X Lens Loupe

Repair Tool Magnifying Glass With Led Lights 1X 1.5X 2X 2.5X 3.5X 2LED Head-Mounted Illuminating Magnifier Glasses Loupe

Features:
5 Replaceable/Interconvertible lens with different magnifications marked in the middle.
LED light can be rotated about 60 degree and light source box with battery compartment is detachable.
Adjustable head band ensures more comfortable and tight head wearing.
Light source box can be used separately as lighting source after being dismantled.
Widely used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving, etc.

Specifications:
lens magnifications: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x.
Table below denotes the distance proportion between magnifications and viewed objects:
Magnifications Distance to viewed objects
1.0x 300 ~ 350mm
1.5x 240 ~ 260mm
2.0x 215 ~ 235mm
2.5x 205 ~ 225mm
3.5x 135 ~ 145mm
LED: 2 Pieces
Battery: 3 * 1.5V AAA batteries (NOT included)
Head circumference: Adjustable
Lens material: High quality PC
Headpiece material: Environmental protection acrylic
Applications: Timepiece repair, jewelry appraisal, miniature engraving, etc.
Color: Black + White