Net Weight: 40g

Size: 6 (L) x 3.5 (W) x 4 (H) CM
Color: Black
Material: optical glass with plastic case
magnification: 45x
lens diameter: 21mm
Illumination :LED Light
Power: 3X LR1130 batteries (included)
Application range: Coin/Stamp/Medicine/circuit board and printing industry/gardening/home and office/ industrial purpose/jewelry appraisal/education ,geography
Operating guide:
In time of viewing objectives, it is required to put objectives on planar surface ,then put magnifier on the objectives ,Place eye close to optical positioning lens (A), afterwards rotate focus-adjusting wheel (X) until clear image is obtained .In case of insufficient light, light source switch can be turned
Replacement of batteries:
Insert the key attached to this product into the two holes of battery cover, turn anticlockwise to loosen battery cover, take out old battery and then put new battery inside, finally turn the cover board clockwise to tighten it