What is the working temperature range?

The working temperature range is 0 to 50 degrees Celsius.

Does it have a memory function?

Yes, it features an alarm memory function and silent mode.

Independent Fire Safety Combination Smoke Detector and Carbon Monoxide Alarms

Name: Independent Fire Safety Combination Smoke Detector and Carbon Monoxide Alarms
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 2090775045

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

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

Available

Type

Carbon Monoxide Alarm

Signal Transmission

Wired Alarm

Model NO.

SR-822THS

Working Mode

Passive

Certification

CE, ISO, RoHS

Application

Indoor

Working Principle

Electro-Optical Type

Transmission Mode

Cable

Alarm Volume (within 1m)

≥80dB

Certificate

CE Approval

Type for System

Security Protection

Name

Stand Alone Combo Smoke Co Detector

Operating Voltage

3*1.5V AA Battery (3 AA 1.5V) (Battery Is Not Incl

Service Life

3 Years

Package Size

107*37mm

Transport Package

Carton

Specification

ABS

Trademark

SUMRING

Origin

China

HS Code

8531901000

Production Capacity

50000 PCS/Month

Key features

Dual Sensor Technology: Combines electrochemical CO sensor and infrared photoelectric sensor for high stability.

LCD Display & Alerts: Features LCD display with sound and light alarm tips for clear status indication.

Low Power Consumption: Quiescent current under 80uA ensures long standby life on 3 AA batteries.

Comprehensive Safety: Detects both carbon monoxide leakage and smoke for indoor fire safety.

Silent Mode Function: Includes alarm pause feature to temporarily silence the alarm when needed.

Battery Low Alert: Provides specific low battery prompt to ensure continuous operation.

Durable Construction: Made of flame retardant ABS plastic with SMT industrial manufacturing.

Company profile

Shenzhen Sumring Technology Co., Limited

Guangdong, China

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: ≤9.24h 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.