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Battery Operated Combination Smoke Alarm and Carbon Monoxide Detector
US$10.25
100-499 Pieces
US$9.85
500-999 Pieces
US$9.35
1,000+ Pieces
Sample price:US$10.25/piece.Request sample
Product profile
Customization
AvailableType
Carbon Monoxide AlarmSignal Transmission
Wired AlarmModel NO.
SR-822THSWorking Mode
PassiveCertification
CE, ISO, RoHSApplication
IndoorWorking Principle
Electro-Optical TypeTransmission Mode
CableAlarm Volume (within 1m)
≥80dBCertificate
CE ApprovalType for System
Security ProtectionName
Stand Alone Combo Smoke Co DetectorOperating Voltage
3*1.5V AA Battery (3 AA 1.5V) (Battery Is Not InclService Life
3 YearsPackage Size
107*37mmTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
Dual Sensor Technology: Combines electrochemical CO sensor and infrared photoelectric smoke sensor for high reliability.
LCD Display & Memory: Features LCD liquid crystal display with alarm memory function and low battery prompt.
Battery Powered Design: Powered by 3*1.5V AA batteries with low current consumption and long standby life.
Certified Safety: Obtained CE, ISO, and RoHS certifications ensuring product quality and safety standards.
Durable Material: Constructed from ABS flame retardant plastic for enhanced fire safety and stability.
Silent Mode Option: Includes alarm pause (silent mode) function to reduce nuisance alarms.
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: ≤7.96h 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 type of sensors does this detector use?
A:
It adopts an electrochemical sensor for carbon monoxide detection and an infrared photoelectric sensor for smoke detection.
Q:What is the power supply for this device?
A:
The device is powered by 3*1.5V AA batteries (3 AA 1.5V), though batteries are not included.
Q:What is the warranty period for this product?
A:
We provide a 2-year warranty for this smoke and CO combination detector.
Q:Does the detector have a low battery warning?
A:
Yes, it features a battery low battery prompt and LCD display for battery status.
Q:What certifications does this product have?
A:
The product has obtained CE, ISO, and RoHS certifications.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
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