What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is the sensor sensitive to false alarms?

No, the MCU processing and SMT technology help eliminate false alarms.

Wholesale Wired Fire Sensor Smoke Alarm Detector

Name: Wholesale Wired Fire Sensor Smoke Alarm Detector
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 830970065

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$5.32-5.80

100 Pieces

Sample price:US$5.80/piece.Request sample

Product profile

Customization

Available

Type

Smoke Detectors

Anti-theft Alarm System Approach

Active

Model NO.

SR-802PC-4

Anti-Theft Alarm System Type

Smoke Alarms

Anti-Theft Alarm System-Wide

Wire Alarm Detectors

Anti-Theft Alarm System Distance

Power Detector

Types of Smoke Detectors

Photoelectric Smoke Style

Infrared Sensor Probe Type

Photoelectric Sensor

Infrared Sensor Installation

Ceiling

Combustible Gas Detector Model

None

Color

White

Certificate

Ce Approval

Operating Voltage

DC9~35V

Static Current

12mA(Nc);500ua(No)

Alarm Current

10mA(Nc);18mA(No)

Sensitivity

0.5dB/M(±0.01dB/M)

Alarm Output

Relay Output

Installation

Ceiling Mounted

Dimension

104*49mm

Transport Package

Carton

Specification

ABS

Trademark

SUMRING

Origin

China

HS Code

8531901000

Production Capacity

50000 PCS/Month

Key features

Photoelectric Sensor Technology: Utilizes infrared photoelectric sensor with MCU processing to eliminate false alarms.

Multi-Standard Compliance: Executes UL268, GB4715, and EN54-7 criteria for global safety assurance.

Wide Voltage Input: Supports DC9~35V non-polar input for flexible power supply options.

Anti-Interference Design: Features stainless steel shield and anti-RFI design (20V/m-1GHz) for stability.

Dust and Moth Proof: Designed with dustproof, mothproof, and anti-light interference capabilities.

OEM and ODM Services: Manufacturer offers both OEM and ODM customization services for buyers.

Relay Output Alarm: Equipped with relay output for efficient alarm signal transmission.

CE and RoHS Certified: Product holds CE and RoHS certifications for environmental and safety compliance.

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: ≤6.51h 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.