Astro Casambi PIR and Ambient Light Sensor
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The Astro Casambi PIR and Ambient Light Sensor is a recessed motion and light-level sensor designed for integration with smart lighting controls. Its low-profile form and architectural finish make it suitable for discreet installation in ceilings and panels.
Design-wise this unit has a circular flush flange and a matte white plastic housing that sits nearly flush with the mounting surface. A translucent, multi-faceted dome (Fresnel) lens provides the motion-detection surface, while two small apertures on the flange house the ambient light sensor and a status indicator.
Built for practical, minimalist installations, the sensor uses spring-loaded metal clips for tool-free recessed mounting and a compact body to stay out of sight. The faceted lens segments infrared signals to improve motion detection across a room.
Performance is tuned for lighting control: the PIR detects movement while the ambient light sensor measures daylight levels to prevent unnecessary switching. It is intended for interior lighting systems and pairs with Casambi-enabled controls for wireless smart operation.
Note that this product has an IP20 rating and is designed for indoor use only. Astro backs the unit with a 3-year warranty to cover manufacturing faults.
At Light Monster we offer this Astro sensor at a competitive price so you can add smart motion and daylight control without overpaying. Expect clear advice from our lighting experts and simple, design-savvy solutions that make installs straightforward and reliable.
Dimensions & Weight
Dimensions & Weight
- Depth (cm): 8.5
- Height (cm): 7.9
- Width (cm): 8.5
Functionality
Functionality
- Operating voltage: 220-240V
Certifications & Ratings
Certifications & Ratings
- Product warranty: 3 years
- IP rating: IP20
- CE (EU directive) compatible?: Yes
- Safety classification: Class I
Manufacturer's Part Numbers
Manufacturer's Part Numbers
Delivery & Returns
Delivery & Returns
We want to make sure you're completely happy with your order. You have up to 30 days from delivery to return or exchange an item. Just make sure you have the original receipt.
Before placing your order, please double-check all measurements, finishes, and light source compatibility, as delivery and handling fees are non-refundable.
Please note: Custom or made-to-order items are not eligible for return or exchange.
For full details, see our [Terms & Conditions].
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Testimonials
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Fast and helpful
Everything arrived on time and exactly as expected. The customer support team was genuinely helpful when i had an assembly question —refreshingly easy to deal with.
James WalkerBrighton -
Great Value Lighting
I was surprised by the quality at this price. Light Monster made it simple to source lights for our new café.
Marta RuizLondon -
Best price price
We ordered lighting for 12 units, and everything was spot on and at the best price i found.
Tom EllisonProperty Developer, London