Two-Way Articulating Borescope N3 Series
3.5-inch IPS full-view screen (320×480) | IP67 waterproof & oil-proof | 180° bidirectional joystick control | 2200mAh swappable battery | Approx. 4h runtime

N3 Series Industrial Video Borescope
High-strength tungsten braided snake tube, 180° bidirectional articulation for precise and flexible control. 3.5-inch IPS full-view screen (320×480) delivers clear and detailed images. IP67 waterproof and oil-proof, suitable for confined spaces and harsh environments. Built-in 2200mAh swappable battery provides about 4 hours of continuous operation. Real-time temperature monitoring, automatic shutdown above 90°C, plus photo, video, and playback functions. Multiple probe diameters available for different inspection needs.
- 180° bidirectional
- Real-time temperature
- 2200mAh swappable
- IP67 waterproof
- >90°C shutdown
- TF card storage
N304
- Probe diameter: Φ3.9mm
- Bending radius: 25mm
- Articulation angle: 180° bidirectional
- Field of view: 78±3°
- DOF: 20~60mm
- Effective pixels: 1280×720 (HD)
- Illumination: 6 adjustable high-brightness LEDs
N305
- Probe diameter: Φ5.5mm
- Bending radius: 28mm
- Articulation angle: 180° bidirectional
- Field of view: 90±3°
- DOF: 15mm ~ infinity
- Effective pixels: 1280×720 (HD)
- Illumination: 8 adjustable high-brightness LEDs
N306
- Probe diameter: Φ6.2mm
- Bending radius: 30mm
- Articulation angle: 180° bidirectional
- Field of view: 90±3°
- DOF: 15~100mm
- Effective pixels: 1280×720 (HD)
- Illumination: 6 adjustable high-brightness LEDs
N308-S
- Probe diameter: Φ8.5mm
- Bending radius: 30mm
- Articulation angle: 180° bidirectional
- Field of view: 90±3°
- DOF: 30~70mm
- Effective pixels: 1600×1200 (2MP)
- Illumination: 6 adjustable high-brightness LEDs










| Parameter | N304 | N305 | N306 | N308-S |
|---|---|---|---|---|
| Screen | 3.5-inch IPS screen (320×480) | |||
| Menu languages | Simplified Chinese, Traditional Chinese, Japanese, English, Korean, French, Russian, Spanish, German | |||
| Display functions | Photo / Video recording / Playback / Image rotation / Real-time temperature display | |||
| TF memory card | Supports up to 128GB | |||
| Real-time temperature | Numeric temperature display on screen | |||
| Articulation method | 180° bidirectional joystick control | |||
| Articulation life | ≥20,000 cycles | |||
| Snake tube length | 1m / 2m / 3m customizable (standard 1m) | |||
| Snake tube material | Tungsten braided mesh + flexible snake tube | |||
| Probe diameter | Φ3.9mm | Φ5.5mm | Φ6.2mm | Φ8.5mm |
| Bending radius | 25mm | 28mm | 30mm | 30mm |
| Effective pixels | 1280×720 | 1280×720 | 1280×720 | 1600×1200 |
| Field of view (FOV) | 78±3° | 90±3° | 90±3° | 90±3° |
| Depth of field (DOF) | 20~60mm | 15mm~infinity | 15~100mm | 30~70mm |
| LED illumination | 6 high-brightness LEDs | 8 high-brightness LEDs | 6 high-brightness LEDs | 6 high-brightness LEDs |
| Waterproof rating | IP67 (probe and insertion tube, water and oil resistant) | |||
| Overheat protection | Automatic shutdown above 90°C | |||
| Battery | 3.7V 2200mAh rechargeable lithium battery (removable & replaceable) | |||
| Operating time | Approx. 4 hours (medium brightness) | |||
| Charging interface | DC 5V/2A (Type-C) | |||
| Operating environment | -10°C ~ 50°C, humidity <90%RH | |||
| Certifications | CE, FCC, ROHS, Patent | |||
| Package (box) dimensions | 31.5×21.5×7.5cm | |||
| Carton dimensions | 44×38.5×33cm | |||
Professional Applications
Industrial Manufacturing & Precision Machinery
Inspect gearboxes, molds, weld quality – quickly detect burrs, cracks, and foreign objects
Automotive Repair & Inspection
Visual inspection of engine cylinders, turbochargers, transmissions – avoid unnecessary disassembly
Piping & HVAC
Real-time view of blockages or corrosion inside AC ducts, drain pipes, and heating systems
Aerospace & Marine
Non-destructive testing of turbine blades, airframes, hull piping – fit into narrow curved spaces