What are the power requirements for the detector?

It operates on 3*1.5V AA batteries (3 AA 1.5V), but batteries are not included.

What certifications does the product have?

The product is certified with CE, ISO, and RoHS.

Home Use Combination Smoke Co Detector and Carbon Monoxide Detector Alarm

Name: Home Use Combination Smoke Co Detector and Carbon Monoxide Detector Alarm
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 912506755

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$9.00

100 Pieces

Sample price:US$9.00/piece.Request sample

Product profile

Customization

Available

Type

Smoke Co Detector

Certification

CE, ISO, RoHS

Model NO.

SR-821THS

Application

Indoor

Alarm Volume (within 1m)

≥80dB

Transport Package

Carton

Specification

104*39mm

Trademark

SUMRING/OEM

Origin

China

HS Code

8531901000

Production Capacity

50000 PCS/Month

Key features

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

Low Power Consumption: Quiescent current is less than 80uA, designed for energy efficiency and long battery life.

Professional Manufacturing: Produced by a professional manufacturer specializing in fire alarm products with R&D support.

Certified Quality: Products hold CE, ISO, and RoHS certifications, ensuring compliance with international standards.

Customization Support: Supports custom LOGO, packaging, and instruction printing with professional R&D assistance.

Compact Design: Dimensions are 104*39mm, suitable for indoor installation in various environments.

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: ≤6.49h 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:Are you a manufacturer or trading company?

We are a professional manufacturer specializing in fire alarm products.

Q:What is the minimum order quantity (MOQ)?

As usual, there is ready stock for our regular and hot-selling models, so any order quantity is welcome.

Q:Can I customize the LOGO and functions?

Yes, you can. Packaging, products, and instructions can be printed with your logo. For functions, we have a professional R&D team to support the best service.

Q:How is the quality of your products?

Our raw materials are purchased from qualified suppliers.

Q:How long is the warranty period?

The warranty period is 2 years from the factory. If there are individual quality problems, we will replenish the customer in the next batch of orders.