The smart vision integration market is currently undergoing a lightweight transformation. Various integration projects are increasingly facing multiple constraints: traditional camera modules are bulky and cannot be easily embedded in compact devices; multi-terminal simultaneous capture requires additional conversion equipment, driving up costs; cross-platform protocol interoperability remains a significant barrier; and under conditions of backlight or low-light environments, image noise runs rampant, severely slowing down project implementation efficiency. Addressing diverse professional capture needs—including educational recording, government and enterprise remote video conferencing, industrial quality inspection, and outdoor mobile patrols—Kemorei has launched the CM8403 8-megapixel mini-zoom USB camera module. With four core strengths—standardized optical hardware, triple-channel synchronous output, a compact industrial housing, and all-encompassing scene compatibility—this module tackles industry pain points across four key dimensions: imaging, transmission, assembly, and adaptation. It provides device manufacturers with an integrated, lightweight, high-definition imaging core component.

I. Professional optical imaging base, delivering stable, lossless 4K footage even in complex lighting and shadow environments.

The CM8403 is equipped with a 1/2.8-inch, 8-megapixel, progressive-scan CMOS sensor that delivers native 4Kp30 ultra-high-definition video. It comes standard with a 3x optical zoom lens featuring a focal length range from 2.38mm to 7mm, allowing seamless switching between a wide-angle field of view of 102.7° and a medium-angle field of view of 41.8°. Throughout the entire process—from panoramic framing to detailed close-ups—there’s no loss in image quality due to cropping. The module incorporates a proprietary distortion correction algorithm that completely eliminates the stretching and distortion often seen at the edges of wide-angle images, ensuring maximum geometric accuracy in the captured footage.The module integrates a full suite of image-processing algorithms, including wide dynamic range, dual 2D+3D digital noise reduction, strong-light suppression, and backlight compensation, enabling it to effortlessly handle complex lighting conditions such as backlighting near windows, extreme contrast between bright and dark areas, and low-light indoor environments. The hardware boasts exceptional light-sensitivity performance: in color mode, the minimum illumination level is 0.1 lux (with AGC enabled); in black-and-white mode, it drops as low as 0.01 lux (with AGC enabled). The signal-to-noise ratio is ≥55 dB, ensuring clean, noise-free images even in low-light conditions with fully preserved and natural color gradations. The exposure system supports three modes: automatic, manual, and shutter-priority. The electronic shutter speed can be adjusted over a range from 1/1 second to 1/30,000 second, making it ideal for capturing fast-moving objects as well as static text and images. White balance, brightness, contrast, sharpness, saturation, and hue can all be finely tuned manually. Additionally, the module offers multiple preset white-balance options, including auto-tracking white balance, indoor white balance, outdoor white balance, and one-touch white balance. The red and blue color channels can be independently adjusted for precise matching to specialized image-quality standards, such as industrial inspection color calibration, classroom whiteboard capture, and lifelike portrait reproduction in meetings.

II. three independent, synchronous transmission links, fully protocol-compatible to simplify the integration and development process.

Most camera modules on the market offer only a single signal output. To simultaneously achieve large-screen display, local terminal data acquisition, and cloud-based storage, you must purchase additional adapter devices, which not only occupy internal space within the device but also increase project material costs. The CM8403 is equipped with three independent output channels: MINI HDMI 1.4, USB 3.0 Type-C, and a 100-Mbps RJ45 network port. These three signal channels operate in parallel without interfering with each other, enabling a single device to seamlessly perform three core functions: real-time visualization on a large screen, local terminal data collection, and remote video transmission over the network. The USB 3.0 interface complies with the UVC 1.0/UVC 1.1 universal standard, offering plug-and-play functionality without requiring drivers. It is fully compatible with multiple operating systems including Windows, Linux, and Android, and supports video streams in various formats such as YUV, H.264, and MJPEG. The HDMI interface natively outputs 4K ultra-high-definition video directly, eliminating the need for secondary transcoding and allowing direct connection to displays and recording/playing hosts. The network port employs H.265 high-efficiency encoding, supporting dual-stream separation—primary and secondary—up to a maximum of 20 simultaneous video previews, making it ideal for large-scale centralized visualization management platforms. The device fully supports mainstream control protocols such as Onvif, PELCO, and VISCA, and provides an open private SDK for seamless integration with pan-tilt units, recording/playback hosts, and third-party security surveillance platforms, enabling remote control of zoom functions and fine-tuned adjustment of image parameters. Additionally, the device features one 600Ω linear audio input channel, supporting multiple audio coding formats including G.711alaw, G.711ulaw, and AAC, with freely adjustable bitrates. Audio and video remain perfectly synchronized with zero latency, making it suitable for all professional visual capture applications that require synchronized audio recording.

III. Miniature, low-power industrial enclosure with long-term, stable, and uninterrupted operation across a wide temperature range.

Specifically optimized for the compact installation spaces of embedded smart devices, small gimbals, and portable inspection terminals, the CM8403 features an ultra-compact compressor body with a standard-size dimension of 55.3838Hmm, version with RJ45 network port—703838Hmm, the bare unit weighs just 57.3g; when fitted with a housing, its weight increases to 81g. It can be easily embedded into the interiors of various compact smart devices without occupying any reserved structural space. The device’s operating power consumption is kept below 3W, and it supports universal DC12V power supply, making it compatible with both fixed cabinet-mounted equipment and battery-powered portable devices. Its operating temperature range spans from -5℃ to 60℃, and it can withstand humidity levels up to 90% RH in environments free of condensation. Whether used for long-term operation under harsh conditions—such as continuous high temperatures in workshops, low-temperature field inspections, or confined spaces within enclosed equipment—it will not experience issues like frame rate drops, image stutters, or overheating-induced shutdowns. The device boasts an extensive and fully equipped feature set, supporting functions such as image mirroring and flipping, customizable OSD subtitle overlays, and a wide-range adjustable electronic shutter. This enables it to meet the demanding requirements of high-precision dimensional measurements for industrial components, while also being ideal for online broadcasting and 24/7 uninterrupted surveillance applications. Despite its compact size, it packs a full suite of professional-grade image-processing capabilities.

IV. Seamless adaptation across multiple application scenarios, covering professional visual acquisition needs for all product categories.

Leveraging three core hardware features—native 4K ultra-high-definition imaging, simultaneous triple-channel output, and a compact, lightweight body—CM8403 transcends the limitations of single-device usage, enabling flexible deployment across a wide range of industry scenarios without the need for additional hardware modifications. In educational multimedia classrooms and government/enterprise conference rooms, its triple-channel output simultaneously supports large-screen projection, online remote meetings, and cloud-based video archiving. With a 3x optical zoom, it effortlessly switches between wide-angle views of the entire room and close-ups of speakers. Its wide dynamic range algorithm effectively counteracts glare from windows, making it ideal for routine lecture recording and cross-regional remote discussions. In industrial automation production lines, the miniature body allows easy integration into automated inspection equipment. High-sensitivity, low-distortion hardware ensures precise detection of defects and accurate measurement of tiny components, while the wide-temperature-rated housing is perfectly suited for continuous, round-the-clock operations in workshop environments. When mounted on handheld inspection devices, vehicle-mounted terminals, or small airborne equipment, the lightweight body adds minimal weight to the device. The Ethernet port enables real-time transmission of live footage back to the command center, while the USB port locally stores evidence for forensic purposes, ensuring stable and clear imaging even in extreme outdoor temperature conditions. For small-scale security points in retail stores, professional online live streaming, and remote medical consultations, its low-power hardware supports 24-hour continuous recording. The UVC plug-and-play compatibility allows quick integration with various live-streaming platforms, and its dual-stream architecture simultaneously meets both high-definition broadcasting requirements and smooth preview needs.