Specifications
| viewing direction | look straight |
| focal length | fixed |
| Field of view | 70°/100° |
| depth of field | 10mm-70mm |
| Probe diameter | Φ2.5/2.8mm |
| Bending direction of speculum | both directions |
| Bending angle of speculum | ≥120° |
| Peep corner control | Dial lever handwheel mechanical control |
| working length | 1.5m |
| Screen luminance | 250cd/㎡ |
| Picture capture resolution | 640*480 |
| Pixel | 300,000 |
| show | 5/3.5-Inch color TFT-LCD |
| light source | High luminance LED/fiber/infrared invisible light (luminance can be adjusted in multiple levels) |
| storage format | Image format JEPG, video format AVI |
| storage medium | 8G TF card (maximum support 32G) |
| Interface | Video interface, audio interface, USB Data transmission interface |
| Power supply type | Built-in rechargeable lithium battery |
| language | Simplified Chinese/English |
| deep tube | Stainless steel mesh/tungsten wire mesh/plastic coating |
| Host Weight | 0.88Kg |
Packing list
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/35858/Specification.html , which is only used by users who purchase commodities from the NBCHAO.