What is the working voltage and battery backup?

The working voltage is DC9~24V (or DC9~35V per attributes) with a DC3V battery backup power supply.

What certifications does the smoke detector have?

The product meets UL268, GB4715, and EN54-7 standards, and holds CE and RoHS certifications.

Security System Smoke Detector Hard Wired Smoke Alarm Detector

Name: Security System Smoke Detector Hard Wired Smoke Alarm Detector
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 2054065015

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$8.58

100-499 Pieces

US$7.88

500-999 Pieces

US$7.28

1,000-2,999 Pieces

US$6.88

3,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Smoke Detectors

Anti-theft Alarm System Approach

Active

Model NO.

SR-811

Anti-Theft Alarm System Type

Infrared Alarm

Anti-Theft Alarm System-Wide

Wire Alarm Detectors

Anti-Theft Alarm System Distance

Other

Types of Smoke Detectors

Smoke Detector

Infrared Sensor Probe Type

Infrared Photoelectric Sensor

Infrared Sensor Installation

Ceiling

Combustible Gas Detector Model

Smoke

Execute Criterion

UL268, GB4715, En54-7

Color

White

Static Current

55ua

Alarm Current

35mA@DC12V;60mA@DC24V

Sensitivity

0.5dB/M(±0.01dB/M)

Alarm Output

Remote LED Indicator

Working Environment

-10℃~+50℃(≤95%Rh No Congelation)

Operating Voltage

DC9~35V

Dimension

104*49mm

Transport Package

UPS, DHL, FedEx, EMS, etc

Specification

ABS

Trademark

SUMRING

Origin

China

HS Code

8531901000

Production Capacity

50000 PCS/Month

Key features

Advanced Photoelectric Sensor: Detects visible smoke particles from smoldering fires faster than ionization alarms.

Long Battery Life: Features a 10-year battery lifetime and 10-year alarm life for low maintenance.

High Sensitivity Alarm: Produces alarm sound pressure >80dB at 3 meters for effective warning.

Wide Voltage Support: Operates on DC9~35V with DC3V battery backup power supply.

Multi-Scene Application: Suitable for houses, factories, malls, hotels, offices, schools, and warehouses.

Environmental Stability: Dustproof, mothproof, and anti-light interference for stable performance.

Customization Options: Supports custom colors and OEM/ODM services for branding needs.

Certified Quality: Meets UL268, GB4715, EN54-7 standards with CE and RoHS certification.

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: ≤7.21h 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 for testing before placing a large order?

Sure, you can. Please leave a message and we will contact you soon.

Q:Can I order items with a quantity less than the MOQ?

Yes, you can, and the final price will depend on your quantity.

Q:Can I print my logo on the item?

Yes, please contact us.

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

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