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Reliable Standalone Security Alarm and Co Detector for Homes
US$8.00-12.00
1,000 Pieces
Product profile
Customization
AvailableType
Carbon Monoxide AlarmSignal Transmission
StandaloneModel NO.
C621Working Mode
ActiveCertification
CE, RoHS, CCCApplication
IndoorWorking Principle
Electrochemical SensorTransmission Mode
Audible and Visual AlarmAlarm Volume (within 1m)
≥90dBSupply Voltage
DC 4.5V (3*1.5V AA Batteries)Standby Current
<10uaAlarm Current
<70mASensor Type
ElectrochemicalSensor Lifetime
10-YearsProduct Weight
195gProduct Size
106.0*37.5mmCE Standard
En 50291-1:2018Transport Package
Carton BoxTrademark
ScondaorOrigin
ChinaHS Code
8531100000Production Capacity
100, 000 Pieces/MonthKey features
10-Year Sensor Life: Features an advanced electrochemical sensor with a guaranteed 10-year lifespan.
Real-Time LCD Display: Provides real-time LCD display of CO concentration from 0-999ppm with peak memory.
High Sensitivity Alarm: Delivers loud 85dB audible and visual alarms within 3-90 minutes depending on ppm.
Multiple Safety Warnings: Includes low battery warning, sensor fault self-check, and end-of-life indicators.
CE Certified Safety: Certified to EN50291-1:2018 standard for reliable indoor carbon monoxide detection.
Easy Installation: Designed for simple wall or ceiling mounting with included accessories.
Long Battery Life: Operates on 3 AA batteries with over 1 year of standby battery life.
360-Degree Detection: Features a 360-degree gas intake design for comprehensive air sampling.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2018-06-01Nearest Port: ShenzhenAverage Response Time: ≤4.23hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB
AI-Powered supplier vetting
SummarySconda Intelligent Technology Co., Ltd is described as a professional manufacturer of fire safety alarms and gas detection products, with production, measurement, and quality-control capabilities. It holds ISO 9001 certification, reports quality assurance and raw-material traceability, and has experienced R&D engineers and quality-control personnel. However, the available evidence shows no 3D software design, ODM, SDK, or popular-brand OEM services, and no new products during the past year. Customization from samples and designs is available. Overseas service infrastructure, inventory capability, and factory-subcontractor manufacturing contracts are absent. Financial information is limited to year labels without performance details, while after-sales procedures lack written records.
Supplier typeThe supplier is explicitly described as a professional and advanced manufacturer specializing in fire safety alarms, gas detection products, and related air-quality monitoring equipment. However, one assessment states that it is not a professional technical supplier, so its profile is stronger as a product manufacturer than as a technical-services provider.
CertificationsThe supplier reports holding ISO 9001 certification, directly evidencing a certified quality-management system.
R&D capabilityInnovation evidence is limited: the supplier reports no new products in the past year and does not provide ODM, SDK, or 3D software design services. It does report 21–30 years of total R&D engineer experience, but this alone does not establish current innovation performance.
Production capacityThe supplier describes advanced production lines, measuring facilities, manufacturing force, ISO 9001 quality management, and a stated peak- and off-season lead time within 15 workdays. Nonetheless, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory capacity, and only one qualified supplier for the assessed service capability.
Customization capabilityThe supplier explicitly provides customization from samples and customization from designs. This supports product customization, although the same evidence confirms that it does not offer 3D software design services.
Product Q&A
Q:What is the sensor type and lifespan?
A:
The device uses an advanced electrochemical CO sensor with a 10-year lifespan.
Q:How does the alarm work?
A:
It provides both audible (>85dB) and visual (LED) alarms when CO levels are detected.
Q:What are the alarm response times?
A:
50ppm within 60-90 mins, 100ppm within 10-40 mins, and 300ppm within 3 minutes.
Q:What power source does it use?
A:
It operates on 3 AA alkaline batteries (not included) with over 1 year battery life.
Q:Does it have safety warnings?
A:
Yes, it includes low battery, sensor fault, and end-of-life warnings via LED and LCD.
Send Inquiry
*To:
Shenzhen Sconda Intelligent Technology Co., Ltd
Shenzhen Sconda Intelligent Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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