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Home Price Security Systems Fire Alarm Optical Smoke Sensor Detector
US$4.90-6.62
500 Pieces
Sample price:US$5.40/piece.Request sample
Product profile
Customization
AvailableColor
WhiteCertificate
Ce ApprovalModel NO.
SR-802PC-4Type for System
WiredOperating Voltage
DC9~35VStatic Current
12mA(Nc);500ua(No)Alarm Current
10mA(Nc);18mA(No)Sensitivity
0.5dB/M(±0.01dB/M)Alarm Output
Relay OutputInstallation
Ceiling MountedTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
High Stability Sensor: Infrared photoelectric sensor with MCU processing to eliminate false alarms.
Anti-Interference Design: Dustproof, mothproof, and anti-light interference with stainless steel shield.
Wide Voltage Input: Supports non-polar power supply input with DC9~35V operating voltage.
Multiple Certifications: Complies with UL268, GB4715, and EN54-7 safety standards.
OEM/ODM Service: Supports custom branding and design services for bulk orders.
Relay Output: Provides reliable relay output for alarm connection.
Compact Installation: Ceiling mounted design with dimensions of 104*49mm.
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: ≤6.43h 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 device supports a wide operating voltage range of DC9~35V with non-polar input.
Q:Does this smoke detector support OEM or ODM?
A:
Yes, we offer both OEM and ODM services for custom branding and design requirements.
Q:What safety certifications does the product have?
A:
The product complies with UL268, GB4715, and EN54-7 standards and holds CE and RoHS certifications.
Q:How is the smoke detector installed?
A:
It is designed for ceiling mounting with compact dimensions of 104*49mm.
Q:How does the sensor prevent false alarms?
A:
It uses an infrared photoelectric sensor with MCU processing technology to eliminate false alarms.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
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