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The LN-S346 is a professional USB handheld endoscope specifically designed for ENT examination, developed by Shenzhen Shinuqi Electronic Technology. Featuring a high-end SONY CMOS image sensor, this device integrates high-definition imaging, ergonomic handheld design, plug-and-play connectivity, and multi-function controls. It is widely applicable to hospital ENT departments, clinics, primary medical screening, and other scenarios, supporting visual examination, image capture, and video recording for ear, nose, and throat lesions.
Core Features
High Definition Imaging: Equipped with 1/2.8 inch SONY CMOS sensor, 2MP resolution supporting 1080P at 50/60fps for smooth real-time streaming and accurate lesion detail reproduction.
Integrated Multi-function Control: Physical function keys support one-click automatic white balance, image freeze, and 0-6X electronic zoom for simplified operation and improved efficiency.
Driver-free Plug and Play: USB 2.0 interface with backward compatibility, compatible with Windows and Linux systems using mainstream software including System Camera, AmCap, and guvcview.
Safe Low-power USB Power Supply: Powered by USB DC 5V safe voltage with working current of 260mA±10mA and power consumption below 1.4W for stable, low-heat operation.
Ergonomic Portable Structure: Compact design measuring 147mm length, 35mm outer diameter, weighing only 200g with ergonomic handheld design to reduce hand fatigue.
Standard Video Format Output: Supports USB signal output and MJPG video format for direct storage on computers for medical records and teaching purposes.
Medical Standard Use Design: Probe supports disinfection or disposable protective covers to prevent cross-infection, with gentle operation design to reduce patient discomfort.
Extended Cable Design: Includes 2-meter connecting cable providing sufficient operating space without restrictions during examinations.
Technical Specifications
Parameter
Specification
Model
LN-S346
Image Sensor
1/2.8 inch SONY CMOS
Resolution Frame Rate
1080P 50/60fps
Scanning Mode
Line-by-line Scanning
Digital Zoom Range
0-6X
Output Interface
USB 3.0, backward compatible
Power Supply
USB DC 5V
Working Current
260mA±10mA
Power Consumption
Less than 1.4W
Product Dimension
Length 147mm, Outer Diameter 35mm
Product Weight
200g
Cable Length
2M
Working Temperature
-20℃ to 50℃
Supported Functions
White Balance, Image Freeze, Video Recording, Electronic Zoom
Application Scenarios
Hospital ENT routine examination • Community clinic and primary health screening • Private medical institutions and aesthetic ENT detection • Medical teaching and practical imaging recording
Included Accessories
LN-S346 USB Handheld ENT Endoscope
User Manual
Warranty Card
Certificate of Conformity
Coupler (Optional)
Endoscope Lens (Optional)
After-sales Service
This product provides comprehensive quality guarantee and after-sales tracking service. Within 24 months from purchase, quality failures caused by non-human factors receive free repair service (excluding consumable parts). Malfunctions caused by improper use and maintenance will only charge material cost and shipping fee. Products beyond the three-year warranty period enjoy lifelong paid maintenance with reasonable charging standards. Unauthorized disassembly leading to device damage is solely the user's responsibility.
Common Faults and Solutions
Device not recognized: Check USB connection status, replace USB port or device, confirm driver installation.
Blurred image: Clean probe lens to remove stains, adjust light source brightness and check light operation status.
Device overheating: Use within standard working temperature range; stop use immediately for severe overheating and contact after-sales support.
Failed photo and video recording: Check system compatibility and computer storage space sufficiency.