Product Name: Best Starriver 28X150 Waterproof Floating Binoculars with Night Vision Giant High Definition Telescope Model NO.: starriver 28X150 Aperture: 50-100mm Focusing Type: Center Focusing Objective Aperture: 150 Lens: Glass Lens Type: Prime Lens Structure: Refractor Telescope Usage: Military, Bird Watching/Hunting Function: Waterproof, Fogproof Magnification: 28 Type: Infrared Telescope Trademark: Elvis Transport Package: Telescope Bag + Shoulder Strap + Mirror Cloth + Ma Specification: 31mm31mm21mm 2.0kg Origin: China HS Code: 9005100000 Product Description Question & AnswerQ1:What does your company mainly produce?A:Our factory produce professional binoculars,monocular telescope,spotting scope,and other optical instruments.Q2:Does your company accept OEM & ODM?A:Yes,please contact us and we will do the best for your OEM & ODM products.Q3:What's the advantage of your products?A:Our products are up to national military standard.Q4:Can you supply the sample?A:Yes,we can supply the sample if we have stock but customers have to pay the sample cost and carrier cost.Q5:Which shipment way is available?A:By sea to your nearest port.By air to your nearest airport.By express(DHL,UPS,FEDEX,TNT,EMS)to your door.