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TH-7021 3X Magnification 47MMX52MM 9LED Light Writing Desk Lamp
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| Item no | TH-7021 |
| Magnification | 3X/47*52mm |
| Material | acrylic optic lens,4 LED lights auxiliary lighting,5LED lights reading lighting and ABS plastic casing |
| Characteristic: | Height and lamp head easily adjust to give you bright targeted light where you use it. |
| Item size | 95*70*40mm(folded),330*70*20mm(unfolded) |
| Shipping | 1. Shipping by EMS or international express, such as: DHL, UPS, TNT and Fedex( which are available for samples and small orders, it takes about 3-7days arrive, also called door to door servise.) 2.Shipping by air.( which is fast means, but charge higher, it takes about 3-7days arrive) 3.Shipping by sea.( which is safty and charge lowest, but it takes about one month to arrive) |
| Delivery time | Samples time: 1. original :5-7days 2. custom samples:1-3days Production time: 1. generally speaking it takes about 20-30days. 2. it depend on the quantities you need |
Packaging:PE bag then color boxPacking Quantity:120pcs/ctnCarton Size:48*43*22.5 cmN.W/G.W:14.5/16.5kgsBattery-operatedthree pcs(size AAA,1.5V)batteries(not included)
Production Line
Quality Control:
1. We have been in this lines for 9 years, our products export all over the world, have good reputation and experience. |
2. Various of deifferent types for your choose, which including microscope, binocular, riflescope, magnifier, pocket microscope, polishing machine and accessories. |
3. So Powerful customer service, can reply you in 24 hours and offer all the solutions and solve problems for clients with our team. |
4.For after-sale service, products can return to us if the problems is on our side. |
5. Custom and OEM order available. |
1.Why LED lamp can’t light? Reason1: Battery compartment does not pull out the insulation sheet Reason2:Switch loose. Reason3:Battery compartment is bad |
2.Why can’t see clear with a magnifier? Reason: the distance between magnifier and object is not suitable? How to use: Let magnifier close observation of objects observed object does not move, the distance between the eye and the object of constant observation, move magnifying glass between the object and the human eye moves back and forth, until the large and clear image. You can also close magnifying glass eye as close as possible. Magnifying glass does not move, moving objects, until the large and clear image. |
3.The relationship between magnification and diameter of lens? Inverse relationship, that’s mean more higher magnification with less diameter lens. |
4.The relationship between magnification and focus? Magnifying ratio = 250 / lens focal length +1 |
Welcome inquiry about TH-7021 3X Magnification 47MMX52MM 9LED Light Writing Desk Lamp and welcome order!