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Fire Alarm Network Photoelectric Optical Smoke Detector Alarms for Fire Security
US$6.00
1-99 Pieces
US$5.40
100+ Pieces
Sample price:US$6.60/piece.Request sample
Product profile
Customization
AvailableColor
WhiteCertificate
Ce ApprovalModel NO.
SR-802PC-4Type for System
Fire Alarm SystemName
Fire Alarm Network Photoelectric Optical Smoke DetOperating Voltage
DC9-35VStatic Current
12mA(Nc);500ua(No)Alarm Current
10mA(Nc);18mA(No)Alarm Output
Relay OutputInstallation
Ceiling MountedSensitivity
0.5dB/M(±0.01dB/M)Transport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
Anti-False Alarm Technology: MCU processing and infrared photoelectric sensor eliminate false alarms.
High Stability Construction: SMT manufacture technology with dustproof, mothproof, and anti-light interference design.
EMI Protection: Stainless steel shield provides anti-RFI protection (20V/m-1GHz).
Wide Operating Voltage: Supports DC9-35V input for versatile power supply compatibility.
Multiple Certifications: Complies with UL268, GB4715, and EN54-7 standards.
OEM/ODM Support: Custom logo printing and manufacturing services available upon request.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-06-01 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤8.83h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryShenzhen Sumring Technology Co., Limited is a China-based limited company in Shenzhen that is identified as both a trading company and manufacturer/factory. It offers fire alarm, security, detection, and smart-home products, operates four production lines, and reports export activity since 2006 with broad international markets and 90% of sales from exports. The supplier reports ISO 9001 and ISO 14001 certifications, 11–20 years of R&D engineer experience, and 21–30 quality-control staff. Its stated lead time is within 15 working days during off-peak periods and one month during peak periods. Evidence supports production experience, export capability, quality-system certification, and R&D resources. However, the provided information does not sufficiently establish after-sales procedures, customization services, detailed customer cases, or overall financial credibility.
Supplier typeThe supplier is described as a trade company in its basic information and as both a trading company and manufacturer/factory in its business-entity classification. Its legal name, Shenzhen location, and listed products are consistently identified, indicating a China-based supplier with both trading and manufacturing roles.
CertificationsThe supplier explicitly reports holding ISO 9001 and ISO 14001 management-system certifications. These certifications provide direct evidence of formal quality and environmental management systems, although no certificate numbers, issuing bodies, or validity dates are provided.
R&D capabilityThe supplier describes itself as operating in a high-tech industry, reports 11–20 years of R&D engineer experience, and offers products including Bluetooth modules, smart-home products, detectors, and fire-alarm equipment. This supports the existence of relevant R&D resources and technology-oriented products, but no specific patents, new-product record, or development projects are provided.
Production capacityThe supplier is classified as a manufacturer/factory, operates four production lines, and reports 21–30 quality-control staff. It also states an off-peak lead time of within 15 working days and a peak-season fulfillment time of one month, providing direct evidence of organized production and quality-control capacity.
Product Q&A
Q:Can I get a sample for testing before placing a large order?
A:
Sure, you can. Please leave a message and we will contact you soon.
Q:Can I order items with a quantity less than the MOQ?
A:
Yes, you can, and the final price will depend on your quantity.
Q:Can I print my logo on the smoke detector?
A:
Yes, please contact us to arrange custom logo printing.
Q:What is the lead time for placing an order?
A:
Small quantity orders need 5-7 working days, while large quantity orders usually need 7-20 working days after payment arrives, depending on order quantity.
Q:How long is the product quality warranty?
A:
The warranty period is 2 years from the factory. If there are individual quality problems, we will replenish the customer in the next batch of orders.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
Supplier replies will be sent to your registered email
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