3mm Infinity Focusing Flexible Tube Usb Ear Endoscope Resolution 1280*720

S3 is latestly launched endoscope with 4mm lens diameter, smaller size, better perfomance. It is widely used in eardrum checking,nose inspection and throat inspection.

S3 adopts 1 million hardware pixel CMOS chips to provide better clarity. While a lens diameter of 4mm is guaranteed, the image is clear still.

S3 adopts the updated version of metal serpentine hose made of steel wire.

Covered by environmental-friendly composite film, flexible shaped hose can be freely bent and stably fixed.

New waterproof and anti-fog technology ensures long-lasting and clear images. New waterproof and dustproof materials and structural design to shield light interference, better image quality, better dirt-resistant, easy to clean.

Fine manual focus makes easy to see near and far. Gravity-balanced hand grip for more convenient operation. Sandblasted surface anti-slip and war resistant.

Sufficient lighting and comfortable temperature. Equipped with 4 light source LEDs, and structural temperature control to prevent the lens from overheat.

Applicable for both Android and iPhone, as well as Windows system.