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Alarm Systems to Houses Heat Sensor Alarm
US$4.46-4.86
100 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableType
Fire Alarm AccesseriesUsage
Fire AlarmModel NO.
SR-503-2Installation Mode
Ceiling MountedCertification
CE, ISO, RoHSApplication
Home, Industry, Communication Electronic ProductsColor
WhiteCertificate
Ce ApprovalType for System
ConventionalOperating Voltage
DC 9V-35VStatic Current
≤50uaAlarm Current
35mA(12V); 83 Ma (24V)Alarm Output
Remote LED IndicatorInstallation
Ceiling MountedDimension
100*48mmTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
Dual Alarm Mechanism: Combines rate-of-rise and fixed temperature detection for accurate fire sensing.
Anti-False Alarm: MCU processing eliminates false alarms with anti-RFI and anti-EMI design.
360-Degree Visibility: LED flashing indicator visible in all directions for clear status monitoring.
CE & RoHS Certified: Meets GB4716 and EN54-5 standards with CE, ISO, and RoHS certifications.
Customization Available: Supports OEM and ODM services for customized color and system types.
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: ≤10.30h 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 DC 9V-35V.
Q:How does the alarm detect fire?
A:
It uses a combination of rate-of-rise and fixed temperature alarm mechanisms.
Q:Is the LED indicator visible from all angles?
A:
Yes, the LED flashing indicator is visible in a 360-degree direction.
Q:What certifications does the product have?
A:
The product is certified with CE, ISO, and RoHS, and executes GB4716 and EN54-5 standards.
Q:Can I customize the product color or type?
A:
Yes, OEM and ODM services are available, including customized colors and system types.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
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