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Hot Sell 4 Wire Smoke Detector for Fire Alarm
US$5.32-5.80
100 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableType
Smoke AlarmSignal Transmission
Wired AlarmModel NO.
SR-802PC-4Working Mode
PassiveCertification
CE, ISO, RoHSWorking Principle
Electro-Optical TypeTransmission Mode
CableAlarm Volume (within 1m)
≥80dBReceive Frequency
WiredColor
WhiteCertificate
Ce ApprovalType for System
WiredName
Hot Sell 4 Wire Smoke Detector for Fire AlarmTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
High Stability Design: Utilizes SMT technology and MCU processing to eliminate false alarms and ensure high stability.
Anti-Interference Shield: Features a stainless steel shield providing anti-RFI protection up to 20V/m-1GHz.
Wide Voltage Input: Supports non-polar DC9~35V input for flexible power supply compatibility.
Multi-Certification: Complies with UL268, GB4715, EN54-7, CE, ISO, and RoHS standards.
Customization Support: Offers OEM and ODM services with customizable color and certificate options.
Dustproof & Mothproof: Designed with anti-light interference and dustproof features for durability.
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: ≤7.03h 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:What is the operating voltage range?
A:
The operating voltage is DC9~35V with a non-polar input.
Q:What certifications does the smoke detector have?
A:
It holds CE, ISO, RoHS, UL268, GB4715, and EN54-7 certifications.
Q:Is OEM or ODM service available?
A:
Yes, the manufacturer supports both OEM and ODM services.
Q:What are the payment terms?
A:
Payment methods include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
Q:What is the lead time for production?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
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