Does the device have self-check features?

Yes, it features malfunction auto-check and auto-reset after triggering.

433MHz Smoke Detector Wireless Interconnected Smoke Alarm

Name: 433MHz Smoke Detector Wireless Interconnected Smoke Alarm
Brand: Shenzhen Sumring Technology Co., Limited
SKU: 2094151445

Guangdong, ChinaShenzhen Sumring Technology Co., Limited

US$8.90

1-99 Pieces

US$8.60

100-499 Pieces

US$8.20

500-999 Pieces

US$7.90

1,000+ Pieces

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

Multiple Certifications: Complies with CE, ISO, RoHS, EN54-11, UL539, EN14604, and UL217 standards.

Wireless Connectivity: Supports 315MHz/433MHz wireless transmission with up to 200m range in open areas.

Smart Self-Check: Includes malfunction auto-check and auto-reset capabilities after triggering.

Durable Design: Dust-proof, moisture-proof, and built with reliable SMT manufacturing technology.

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: ≤7.50h 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.