What is the working principle of the detector?

It adopts micro-processing control and electrochemical sensor, featuring high stability, low power consumption, and small sensitivity drift.

What are the power requirements for the device?

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

Factory Wholesale Kitchen Carbon Monoxide Poisoning Smoke Gas Sensor Warning Alarm Detector

Name: Factory Wholesale Kitchen Carbon Monoxide Poisoning Smoke Gas Sensor Warning Alarm Detector
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 1933066031

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$10.90

1-99 Pieces

US$9.90

100+ Pieces

Sample price:US$9.80/piece.Request sample

Product profile

Customization

Available

Type

Smoke + Co Alarm

Signal Transmission

Wireless Alarm

Model NO.

SR-821THS

Certification

CE, ISO, RoHS

Application

Indoor

Working Principle

Electromagnetic

Transmission Mode

Wireless

Alarm Volume (within 1m)

≥80dB

Receive Frequency

433.92MHz

Transport Package

Carton

Specification

104*39mm

Trademark

SUMRING/OEM

Origin

China

HS Code

8531901000

Production Capacity

50000 PCS/Month

Key features

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

CE & RoHS Certified: Meets strict safety standards with CE and RoHS certifications for indoor and outdoor use.

Low Power Consumption: Quiescent current less than 80uA, powered by 3*1.5V AA batteries for long-term reliability.

Customizable Branding: Supports custom logo printing on packaging, products, and instructions via professional R&D team.

Wide Detection Range: Detects CO concentration from 000~999 PPM and smoke sensitivity from 0.1% to 9.9% db/m.

2-Year Warranty: Provides a 2-year warranty from the factory date with free replenishment for quality issues.

Professional Manufacturer: Specialized in fire alarm products with 6 R&D engineers and established since 2014.

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: ≤6.88h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShenzhen Sumring Technology Co., Limited is a trading and manufacturing company based in Shenzhen, China, operating primarily in the high-tech industry. The company has a strong export focus, with 90% of sales coming from international markets since it began exporting in 2006. It is ISO 9001 and ISO 14001 certified, indicating robust management systems. The company operates four production lines, supporting significant production capacity. It offers a wide range of security and smart home products and maintains a global customer base, emphasizing quality and customer service.

Supplier typeThe supplier is both a trading company and a manufacturer/factory, indicating dual capabilities in production and distribution.

CertificationsThe supplier holds ISO 9001 and ISO 14001 certifications, reflecting strong quality and environmental management systems.

R&D capabilityThe supplier emphasizes high-tech industry products and has a team of 11-20 R&D engineers, suggesting a focus on innovation.

Production capacityThe supplier operates four production lines with an annual output valued between US$10 million and US$50 million.

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 have printed logos. 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 to ensure high quality.

Q:How long is the warranty period?

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