Conventional Fire Alarm System Smoke and Heat Det | RFQ Sourcing Details
Smoke Detectors · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Smoke Detectors. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
Standalone Smoke&Heat Detector with hush function for Home security Photoelectric Smoke & Heat Alarm SR-820D Series SR-820DHS Independent Photoelectric smoke & heat alarm SR-820DHM-AC Wireless interconnected photoelectric smoke &heat alarm SR-820DHR Wireless photoelectric smoke &heat alarm SR-820DHW-AC Wireless interconnection photoelectric smoke &heat alarm Please note: There are four types of this product, Please leave a message to us the type you want,thank you !
Technical specification: Model No.
SR-820DHS SR-820DHM-AC SR-820DHR SR-820DHW-AC Operating voltage 9V battery AC110/220V(9V backup battery) 9V battery AC110/220V(9V backup battery) Interconnection N/A Up to 40 pc smoke detectors N/A Install within the radius of 200 m Code form N/A N/A 2262/ Sending frequency N/A N/A 433MHz 433MHz Radio distance N/A N/A 200 m(open area) 200 m(open area) Alarm temperature 57ºC Sensitivity 2.06%ft±1.3%ft Sound level 85dB/3m Installation Wall or Ceiling mounted Working environment -10ºC~+50ºC(≤95%RH No congelation) Dimension 128*38mm Product Images: Shipping information: * Express(UPS, DHL, Fedex, EMS, etc) is available * Sea and Air delivery is available * welcome your agent to deal with our products .
: Model NO: SR-820DHS Installation Mode Ceiling Mounted Certification CE, ISO, RoHS Application Home, Industry, Special Equipment, Car/Motorcycle Color White Certificate Ce Approval Type for System Standalone Name Standalone;Transport Carton;Specification: ABS;Trademark: SUMRING;Origin: China;HS Code: .
Conventional | Applications and Buyer Notes
Conventional is organized as a sourcing-ready Smoke Detectors reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time ques
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Smoke DetectorsBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- type
- you want,thank you ! TechnicalBased on visible page data; confirm exact value in the RFQ.
- Color
- WhiteBased on visible page data; confirm exact value in the RFQ.
- Origin
- ChinaBased on visible page data; confirm exact value in the RFQ.
- Trademark
- SUMRINGBased on visible page data; confirm exact value in the RFQ.
- Application
- Home, Industry, Special Equipment, Car/MotorcycleBased on visible page data; confirm exact value in the RFQ.
- Certificate
- Ce ApprovalBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
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