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Safety Infrared Optical Sensor Explosion Proof 3 Wire Smoke Detector for Fire Alarm System
US$3.90-4.80
100 Pieces
Product profile
Customization
AvailableType
Smoke DetectorsAnti-theft Alarm System Approach
PassiveModel NO.
SR-807Anti-Theft Alarm System Type
Smoke AlarmsAnti-Theft Alarm System-Wide
Standalone Fire AlarmAnti-Theft Alarm System Distance
Common DetectorsTypes of Smoke Detectors
Photoelectric Smoke StyleInfrared Sensor Probe Type
Inclination SensorInfrared Sensor Installation
CeilingCombustible Gas Detector Model
N/aColor
WhiteCertificate
CE ApprovalType for System
StandalonePower Source
9V Battery (Included)Audio Alarm
≥ 85db/3mTemperature Range
0℃ to 40℃Humidity Range
5%-95% Relative Humidity(Rh)Sensor
PhotoelectricSize
Diameter 105mm in Diameter X59mm DepthTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthCompany 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: ≤7.21h 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.
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