What type of smoke detector is this product?

This is a standalone photoelectric smoke detector designed for home and commercial fire alarms.

What are the power supply requirements for the device?

The device uses DC 3V power, supplied by 2*1.5V alkaline batteries.

Independent Battery Smoke Detector Home Fire Alarm Smoke Sensor

Name: Independent Battery Smoke Detector Home Fire Alarm Smoke Sensor
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 2085556905

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$3.00

1-499 Pieces

US$2.70

500-999 Pieces

US$2.50

1,000-2,999 Pieces

US$2.90

3,000+ Pieces

Sample price:US$2.89/piece.Request sample

Product profile

Customization

Available

Type

Smoke Detectors

Anti-theft Alarm System Approach

Passive

Model NO.

SR-803-3

Anti-Theft Alarm System Type

Smoke Alarms

Anti-Theft Alarm System-Wide

Space Security Alarm Detector

Anti-Theft Alarm System Distance

Power Detector

Types of Smoke Detectors

Photoelectric Smoke Style

Infrared Sensor Probe Type

None

Infrared Sensor Installation

None

Combustible Gas Detector Model

None

Product Name

Home En50291 Carbon Monoxide Alarm Gas Detector Wi

Color

White

Application

Home ,Factories, Shopping Malls, Warehouses, Offic

Working Temperature

5-40℃

Warranty

1 Year

Power Supply

9V Battery

Certificate

CE&En50291 RoHS

Material

ABS Plastic

Sensor Life

2-3years

Dimensions

100mm*38mm

Transport Package

Color Box

Specification

ABS

Trademark

SUMRING

Origin

China

Key features

Long Battery Life: Battery works for over 3 years with low power consumption.

High Decibel Alarm: Loud alarm volume exceeds 70dB at 3 meters distance.

Easy Installation: Standalone design with simple installation process.

Stable Performance: Built-in intelligent processor with automatic drift compensation.

Wide Application: Suitable for homes, factories, malls, warehouses, and offices.

Certified Quality: Products certified with CE, RoHS, and EN50291 standards.

OEM/ODM Service: Custom logo and product name options available for orders.

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: ≤6.43h 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:Can I get a sample before placing a large order?

Yes, you can get a sample for testing. Please leave a message and we will contact you soon.

Q:Is it possible to order items with a quantity less than the MOQ?

Yes, you can order less than the MOQ, but the final price will depend on the quantity.

Q:Can I print my logo on the smoke detector?

Yes, please contact us to arrange logo printing.

Q:What is the lead time for placing an order?

Small quantity orders need 5-7 working days, while large quantity orders usually need 7-20 working days after payment arrives, depending on the order quantity.

Q:How long is the product quality warranty?

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.