40mm See Deeper, Clearer, Longer.
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The GLF-UDC-D40 underwater coaxial high-definition PTZ camera
offers clearer visibility, deeper depths, and greater durability.
In scenarios such as pipeline inspection, reservoir exploration, and underwater engineering inspection, clear, stable, and reliable underwater vision is the core guarantee for safe operation and efficient investigation.

Today, we'd like to introduce a professional underwater camera from GRANFOO—the GLF-UDC-D40 underwater coaxial HD PTZ camera. With its compact size and high performance, it's an ideal choice for underwater inspection.
I. Product Overview: Small Size, Wide Field of View
The GLF-UDC-D40 is a compact underwater HD camera designed for complex underwater environments, balancing image quality, operability, and protection.
Key Highlights
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2MP High-Definition Image Quality: 1080p coaxial high-definition CMOS sensor, clear even in low-light conditions
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360° Blind-Spot-Free Observation: Horizontal continuous rotation, pitch -5°~90° full coverage
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Sapphire Lens: 1mm thick optical lens, scratch-resistant, abrasion-resistant, and high light transmittance
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100-Meter Waterproofing: Suitable for routine underwater operations in municipal pipelines, reservoirs, rivers, etc.
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Electrical Focus + 10-Level Dimming: Adapts to different water qualities and distances, resulting in clearer images
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Rugged Aluminum Alloy Body: Anodized aluminum material, corrosion-resistant and impact-resistant (material can be customized)
Key Parameters Overview
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Model: GLF-UDC-D40
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Image Sensor: 2MP Coaxial High-Definition CMOS Sensor
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Waterproof Rating: 0–100 meters
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Power Supply: 12–24V DC
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Dimensions: Φ40×117mm (Compact and easy to install)
II. Typical Application Scenarios
This underwater PTZ camera is highly versatile and easy to deploy, making it widely applicable to:
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Municipal pipeline network inspection: endoscopic inspection of drainage/sewage/water supply pipelines for damage location and siltation observation.
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Water conservancy and water affairs inspection: underwater structure inspection of reservoirs, rivers, culverts, and dams.
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Underwater engineering construction: pile foundation inspection, underwater installation, salvage operations, and underwater welding assistance.
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Ship and port maintenance: hull bottom inspection, anchor chain inspection, and port facility inspection.
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Emergency rescue reconnaissance: underwater search and rescue and rapid hazard detection.
III. Complete System Components
A complete underwater camera system consists of three parts: front-end acquisition, transmission and control, and terminal display.
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Front-end acquisition: GLF-QM40-200 underwater HD PTZ camera (core camera unit)
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Dedicated underwater cables and power adapter for transmission and power supply
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Control and display terminal (supports PTZ control, dimming, focusing, and image playback)
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Front-end acquisition: GLF-QM40-200 underwater HD PTZ camera (core camera unit)
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Dedicated underwater cables and power adapter for transmission and power supply
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Control and display terminal (supports PTZ control, dimming, focusing, and image playback)
IV. Why Choose GLF?
Focusing on the R&D and manufacturing of underwater vision systems, with mature and stable technology.
Supports customization of depth, temperature, and pressure sensors and materials to meet special needs.
Fast after-sales response for worry-free service. Rigorous waterproof testing; each device comes with a pressure test report.
If you are looking for stable, high-definition, and durable underwater camera equipment, the GLF-UDC-D40 will be your reliable "eyes" for underwater operations.