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3V Battery Operated Stand Alone Combo Smoke Co Carbon Combine Detector
US$10.90
1-99 Pieces
US$8.50
100+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableType
Carbon Monoxide AlarmSignal Transmission
Wired AlarmModel NO.
SR-821THSCertification
CE, ISO, RoHSWorking Principle
Electro-Optical TypeAlarm Volume (within 1m)
≥90dBColor
WhiteCertificate
Ce ApprovalType for System
Security ProtectionName
3V Battery Operated Stand Alone Combo Smoke Co CarTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
Smart Combo Detection: Integrates electrochemical CO and infrared photoelectric smoke sensors for comprehensive safety.
High Reliability Sensors: Uses high-reliability electrochemical and infrared sensors with low power consumption and stability.
Clear LCD Display: Features an LCD screen for real-time density display, battery status, and alarm indications.
Multiple Alarm Modes: Provides sound and light alarms, alarm memory, and silent pause mode for user control.
OEM/ODM Support: Offers OEM and ODM services with customized color options (White) and certificate approvals.
Certified Quality: Product holds CE, ISO, and RoHS certifications ensuring international safety standards.
Long Standby Life: Powered by 3x1.5V AA batteries with low current consumption (<80uA) for extended usage.
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 types of sensors does this detector use?
A:
It uses a high-reliability electrochemical sensor for Carbon Monoxide detection and an infrared photoelectric sensor for smoke detection.
Q:How is the device powered?
A:
The detector is powered by 3x1.5V AA batteries, featuring low current consumption for a long standby life.
Q:What certifications does the product have?
A:
The product is certified with CE, ISO, and RoHS standards.
Q:Can I customize the color or branding?
A:
Yes, we offer OEM and ODM services. The standard color is White, and customization options are available.
Q:Does the device have a low battery warning?
A:
Yes, it includes a low battery prompt and alarm function to ensure timely battery replacement.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
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