Powered by Made-in-China.com

Wireless Interconnected Heat and Smoke Combination Detector for Home Security
US$8.00
1-99 Pieces
US$6.80
100+ Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableType
Smoke AlarmUsage
Fire AlarmModel NO.
SR-820DHM-ACInstallation Mode
Ceiling MountedCertification
CE, ISO, RoHSApplication
Home, Industry, Special Equipment, Car/MotorcycleColor
WhiteCertificate
Ce ApprovalType for System
StandaloneName
Wireless Interconnected Heat and Smoke CombinationOperating Voltage
AC110/220V(9V Backup Battery)Interconnection
up to 40 PC Smoke DetectorsAlarm Temperature
57℃Sensitivity
2.06%FT±1.3%FTSound Level
85dB/3mInstallation
Wall or Ceiling MountedTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531901000Production Capacity
50000 PCS/MonthKey features
Interconnection Capability: Supports linking up to 40 PC smoke detectors for comprehensive coverage.
Dual Power Supply: Operates on AC110/220V with a 9V backup battery for reliability.
High Sensitivity Alarm: Features an 85dB loud audio alarm at 3m distance for immediate warning.
Advanced Sensing Tech: Utilizes photoelectric sensing technology for accurate smoke and heat detection.
Certified Safety: Meets CE, ISO, RoHS, EN54-4, UL539, and EN14606 standards.
Flexible Installation: Can be mounted on walls or ceilings with a 200m radio range.
Customization Options: OEM and ODM services available with customized color and certificate options.
Low Battery Indication: Includes lower battery indication to ensure timely maintenance.
Company profile

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: ≤9.81h 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 multiple detectors be interconnected?
A:
Yes, the wireless interconnected model supports linking up to 40 PC smoke detectors within a 200m radius.
Q:What is the power supply method?
A:
The device operates on AC110/220V with a 9V backup battery, or purely on a 9V battery depending on the model.
Q:What certifications does the product have?
A:
The product holds CE, ISO, RoHS, EN54-4, UL539, and EN14606 certifications.
Q:Is OEM/ODM service available?
A:
Yes, we provide both OEM and ODM services, allowing for customized colors and certificates.
Q:What is the alarm sound level?
A:
The alarm features a loud 85dB audio output measured at a distance of 3 meters.
Send Inquiry
*To:
Shenzhen Sumring Technology Co., Limited
Shenzhen Sumring Technology Co., Limited*Content:
Supplier replies will be sent to your registered email
You may also like
En14604 Standalone Smoke Detector for Small Commercial Store, Home Security
US$5.50-6.20
1 Piece(MOQ)
DC12V-24V 4wire Combination Photoelectric Smoke and Heat Detector for Environment Monioring
US$10.50-11.50
1 Piece(MOQ)
10 Year Battery 3VDC Smoke Alarm Zigbee Sensor Detector Wireless Alarms for Home Security Fire Detectors
US$9.90-10.90
50 Pieces(MOQ)
Factory Price Wireless Stand Alone Smoke Detector for Home Use
US$1.80
200 Pieces(MOQ)
Wireless Infrared Detector for Home and Office Security Systems
US$14.90-89.90
100 Pieces(MOQ)
New Coming Combination Smoke and Co Alarm Tuya Smart WiFi APP Fire Detector for Home Security System
US$9.70-11.50
10 Pieces(MOQ)
Conventional Wired Smoke Detector/Heat Detector for Security Alarm System
US$2.50-3.20
1 Piece(MOQ)
Hight Quality Security Fire Alarm Smoke and Heat Detector
US$1.00
1 Piece(MOQ)
Factory Price Wireless PIR Motion Sensor 433 MHz PIR Detector for Home Security System
US$4.50-6.90
50 Pieces(MOQ)
Security Products Fire Smoke Detector for Home Security
US$6.30-7.00
1 Piece(MOQ)
Factory Price Wireless PIR Motion Sensor 433 868 MHz PIR Detector for Home Security System
US$4.50-6.90
50 Pieces(MOQ)
Heat Detector Fire Alarm Combination Smoke and Heat Detector RF433MHz Standalone
US$8.20-9.20
50 Pieces(MOQ)
Lpcb/Ce 9V-28VDC Conventional Smoke Detector for Home Security
US$13.00-15.00
2 Pieces(MOQ)
Idea and Suitable Addressable Smoke/Heat Detector for Industry Application
US$1.00
1 Piece(MOQ)
Fire Smoke Detector for Home Security Alarm System
Negotiable
100 Pieces(MOQ)
AC110 220V Powered Heat and Smoke Detector with 9V Battery Backup for Home Alarm Systems
US$6.80-8.00
1 Piece(MOQ)
Conventional Heat Detector Alarm for Home Security
US$12.00-15.00
2 Pieces(MOQ)
9V Battery Wireless Heat Detector/ Smoke Alarm Detector for Automatic Control System
US$10.00-14.00
10 Pieces(MOQ)
Smart Wireless Smoke Detector with Tuya Connectivity for Homes
US$4.90-5.60
10 Pieces(MOQ)
4 Wired DC 24V Relay Output Smoke Detector for Home Building Security
US$8.90-10.00
50 Pieces(MOQ)



















