SPS100 ambient-light sensor for LED display systems
The Mooncell SPS100 measures environmental light for use with the M-MFN02 multifunction card. It is listed as a sensor for LED-screen brightness-control applications, with a documented measurement range of 0–65,535 lux and a 5 V rating.
The original listing and supplied PDF differ on cable length, low-temperature limit and overall length. Those values are labeled separately below. Match the delivered sensor and cable to the installation plan; the available information does not establish an IP rating or a maximum extension length.
Technical specifications
| Parameter | Specification |
|---|---|
| Model | Mooncell SPS100 light sensor |
| Function | Ambient-light monitoring for a compatible LED display control system |
| Compatible multifunction card | Mooncell M-MFN02 / MFN02 |
| Rated voltage | 5.0 V |
| External power adapter | No separate external supply required |
| Light measurement range | 0–65,535 lux |
| Cable length — source difference | Original listing: 5 m and extendable; linked PDF: 1.5 m |
| Operating temperature — source difference | Original listing: −20°C to +75°C; PDF: −30°C to +75°C |
| Operating humidity | 0–99% RH |
| Dimensions — source difference | Original listing: Ø45 × 50; PDF drawing: 45.0 mm maximum diameter and 51.5 mm overall length |
| Net weight in PDF | 112 g |
| Package quantity in PDF | 1 SPS100 light sensor |
| Outdoor-use note | Original listing mentions outdoor use and protective treatment; no specific IP rating is supplied |
Product images and specification download




Mooncell SPS100 Light Sensor Specification
Frequently asked questions
Which card is required to use the SPS100?
The model-specific PDF identifies the Mooncell M-MFN02 multifunction card, abbreviated as MFN02 in the features. The sensor measures ambient light for the compatible control system; the document does not establish a standalone LED power-dimming output.
Does the SPS100 come with a 1.5 m or 5 m cable?
The original page says 5 m, while the PDF states 1.5 m in both its feature list and parameter table. Confirm the cable supplied with the actual version before planning the sensor location.
Can I extend the sensor cable?
The original description says it can be lengthened, but does not state a maximum extension length or wiring method. Confirm the allowed cable arrangement for the supplied version instead of assuming an unlimited extension.
What light range can the SPS100 measure?
Both sources specify 0–65,535 lux. This is an ambient-light measurement range, not the brightness in nits of the LED display.
Is the SPS100 weatherproof?
The original listing describes outdoor use and protective treatment, but neither it nor the supplied PDF gives a specific IP rating. Confirm the required enclosure, sealing and mounting conditions for the installation.







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