Wireless Combined Smoke and Heat Detector for Fire Safety for RF433 MHz Smoke Detector

Name: Wireless Combined Smoke and Heat Detector for Fire Safety for RF433 MHz Smoke Detector
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 891772885

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$8.50

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Smoke Alarm

Signal Transmission

Wireless Alarm

Model NO.

SR-820DHR

Working Mode

Active

Certification

CE, ISO, RoHS

Working Principle

Electromagnetic

Transmission Mode

Wireless

Alarm Volume (within 1m)

≥80dB

Receive Frequency

433/315MHz

Name

Smoke and Heat Detector

Alarm Indication

LED Flashes in Red

Radio Frequency

433MHz/315MHz

Code Form

2262 Code

Radio Transmitting Distance

200m(Open Area)

Colour

White

Volume

128mm*38mm

Power Supply

9V Battery

Form

Circle

Operating Temperature

-10~+50 Degree Centigrade

Certificate

Ce/ISO

Type for System

Wireless

Transport Package

Carton

Specification

ABS

Trademark

SUMRING

Origin

China

HS Code

8531100000

Production Capacity

50000

Key features

Dual Sensor Technology: Combines heat sensor and infrared photoelectronic smoke sensor for accurate detection.

Wide Detection Area: Covers 80 sqm at 6-12m height or 60 sqm at lower installation heights.

Robust Anti-Interference: Features anti-RF interference (20V/m-1GHz) and anti-white light interference.

Multiple Safety Certifications: Complies with EN54-11, UL539, EN14604, UL217, GB4715, and GB4716 standards.

Smart Auto-Reset: Equipped with malfunction auto-check and auto-reset functionality after trigger.

Long Wireless Range: Radio transmitting distance up to 200m in open areas using 315/433MHz frequency.

Dust & Moisture Proof: Designed with dust-proof and moisture-proof features for reliable stability.

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: ≤5.83h 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.