Can the batteries be replaced?

Yes, it operates on 3 replaceable 1.5V AA alkaline batteries.

What certifications does it have?

The product is CE certified to the EN50291-1:2018 standard.

How is the device installed?

It can be easily mounted on the wall or ceiling using the included accessories.

Smart Home Security Alarm and Carbon Monoxide Sensor System

Name: Smart Home Security Alarm and Carbon Monoxide Sensor System
Brand: Shenzhen Sconda Intelligent Technology Co., Ltd
SKU: 1950447381

Guangdong, ChinaShenzhen Sconda Intelligent Technology Co., Ltd

US$8.00-12.00

1,000 Pieces

Product profile

Customization

Available

Type

Carbon Monoxide Alarm

Signal Transmission

Standalone

Model NO.

C621

Working Mode

Active

Certification

CE, RoHS, CCC

Application

Indoor

Working Principle

Electrochemical Sensor

Transmission Mode

Audible and Visual Alarm

Alarm Volume (within 1m)

≥90dB

Supply Voltage

DC 4.5V (3*1.5V AA Batteries)

Standby Current

<10ua

Alarm Current

<70mA

Sensor Type

Electrochemical

Sensor Lifetime

10-Years

Product Weight

195g

Product Size

106.0*37.5mm

CE Standard

En 50291-1:2018

Transport Package

Carton Box

Trademark

Scondaor

Origin

China

HS Code

8531100000

Production Capacity

100, 000 Pieces/Month

Key features

10-Year Sensor Lifetime: Advanced electrochemical sensor ensures reliable detection for up to 10 years.

Real-Time LCD Display: Displays CO concentration from 0-999ppm with peak memory and fault warnings.

High Sensitivity Detection: Detects 50ppm in 60-90 mins, 100ppm in 10-40 mins, and 300ppm in 3 mins.

Loud Audible Alarm: Emits 85dB sound alarm at 3 meters with visual LED indicators for status.

360-Degree Gas Intake: Natural diffusion design ensures rapid gas sampling from all directions.

CE Certified Safety: Complies with EN50291-1:2018 standard for reliable carbon monoxide detection.

Low Battery Warning: Auto self-check alerts users when voltage drops below 3.6V with LED flash.

Easy Wall/Ceiling Mount: Simple installation with included accessories for flexible placement options.

Company profile

Shenzhen Sconda Intelligent Technology Co., Ltd

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2018-06-01Nearest Port: ShenzhenAverage Response Time: ≤4.24hTerms 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.