Two-Way Articulating Borescope H4-A Series
IP67 waterproof & oil-proof | Overheat protection | 2200mAh swappable battery | Approx. 3 hours runtime

H4-A Series Industrial Video Borescope
High-strength tungsten braided snake tube, 180° bidirectional articulation for precise and flexible control. IP67 waterproof and oil-proof, suitable for confined spaces and harsh environments. Built-in 2200mAh swappable battery provides about 3 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 auto shutdown
- TF card storage
H404A
- Probe diameter: Φ3.9mm
- Bending radius: 25mm
- Articulation angle: 180° bidirectional
- Field of view: 90°
- DOF: 20~60mm
- Effective pixels: 1280×720 (HD)
- Illumination: 6 adjustable high-brightness LEDs
H406A
- Probe diameter: Φ6.2mm
- Bending radius: 30mm
- Articulation angle: 180° bidirectional
- Field of view: 80°
- DOF: 15~100mm
- Effective pixels: 1280×720 (HD)
- Illumination: 6 adjustable high-brightness LEDs
H408A
- Probe diameter: Φ8.5mm
- Bending radius: 30mm
- Articulation angle: 180° bidirectional
- Field of view: 80°
- DOF: 30~70mm
- Effective pixels: 1600×1200 (2MP)
- Illumination: 6 adjustable high-brightness LEDs
| Parameter | H404A | H406A | H408A |
|---|---|---|---|
| Connection | Supports Android / HarmonyOS / iOS devices | ||
| 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 | Φ6.2mm | Φ8.5mm |
| Bending radius | 25mm | 30mm | 30mm |
| Effective pixels | 1280×720 | 1280×720 | 1600×1200 |
| Field of view (FOV) | 90° | 80° | 80° |
| Depth of field (DOF) | 20~60mm | 15~100mm | 30~70mm |
| LED illumination | 6 adjustable 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. 3 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 | 34.5×28×9cm | ||
| Carton dimensions | 58×47×36cm | ||
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