Powered by Made-in-China.com

Wireless Heat/Smoke Sensor Temperature Sensor Alarm Detector for GSM Alarm
US$8.50
1 Piece
Sample price:US$8.50/piece.Request sample
Product profile
Customization
AvailableType
Smoke AlarmSignal Transmission
Wireless AlarmModel NO.
SR-820DHRWorking Mode
ActiveCertification
CE, ISO, RoHSWorking Principle
ElectromagneticTransmission Mode
WirelessAlarm Volume (within 1m)
≥80dBReceive Frequency
433/315MHzName
Wireless Smoke and Heat DetectorAlarm Indication
LED Flashes in RedRadio Frequency
433MHz/315MHzCode Form
2262 CodeRadio Transmitting Distance
200m(Open Area)Colour
WhiteVolume
128mm*38mmPower Supply
9V BatteryForm
CircleOperating Temperature
-10~+50 Degree CentigradeCertificate
Ce/ISOType for System
WirelessTransport Package
CartonSpecification
ABSTrademark
SUMRINGOrigin
ChinaHS Code
8531100000Production Capacity
50000Key features
Dual Sensing Technology: Combines heat and smoke sensors with infrared photoelectronic detection for accurate alarm triggering.
Strong Anti-Interference: Features anti-RF interference (20V/m-1GHz), dust-proof, moth-proof, and anti-white light interference.
Multiple Safety Certifications: Complies with EN54-11, UL539, EN14604, UL217, GB4715, and GB4716 standards.
Reliable Wireless Transmission: Uses 315MHz/433MHz wireless frequency with a transmitting distance of up to 200m in open areas.
Smart Auto-Functions: Adopts MCU auto-processing, malfunction auto-check, and auto-reset after trigger for stability.
Customizable OEM/ODM: Supports OEM and ODM services with customizable code forms and radio frequencies.
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: ≤8.31h 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:What is the detection area of this sensor?
A:
The detection area is 80 square meters at an installation height of 6-12m, and 60 square meters at heights less than 6m.
Q:What certifications does the product have?
A:
The product is certified with CE, RoHS, EN54-11, UL539, EN14604, UL217, GB4715, and GB4716.
Q:What is the wireless transmission distance?
A:
The radio transmitting distance is up to 200m in an open area using 315MHz or 433MHz frequencies.
Q:Does the sensor support customization?
A:
Yes, OEM and ODM services are available, allowing for customization of code forms and radio frequencies.
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
Wired Wireless Conventional Optical Photoelectric Smoke Detector for Fire Alarm (ES-5002OSD)
US$3.50-4.50
10 Pieces(MOQ)
High Quality UL, Ce Photoelectric Dual Sensor Smoke Heat Alarm Detector
US$7.50-12.00
100 Pieces(MOQ)
Fire Detector Smoke Sensor SD388-2L for Fire Alarm System
US$4.80-9.00
100 Pieces(MOQ)
Wireless Glass Break Detector for GSM Home Alarm System (ES-P456)
US$11.00-11.50
1 Piece(MOQ)
Ceiling Mount Fire Heat Alarm Detector Sensor for Kitchen Garage
US$2.80-3.20
100 Pieces(MOQ)
Smoke Detector and Heat Temperature Sensor Alarm Combination with Fire Alarm
US$7.50-10.85
1 Piece(MOQ)
Conventional Smoke Detector for Fire Alarm System
US$6.20-10.00
100 Pieces(MOQ)
Unaddressable Optical Smoke Detector for Fire Alarm (ES-5010OSD)
US$3.00-6.00
10 Pieces(MOQ)
2 Wire Conventional Heat Detector for Fire Alarm
US$3.00-6.00
10 Pieces(MOQ)
CE Certified Smoke Alarm Photoelectric Sensor, 100m Wireless Fire Alarm Smoke Detector
US$7.60-8.50
1,000 Pieces(MOQ)
Outdoor Explosion-Proof Fire Alarm Smoke and Heat Combined Detector for Industrial Project
US$75.00-105.00
1 Piece(MOQ)
China Factory Explosion-Proof Fire Alarm Smoke and Heat Combined Detector for Outdoor Area
US$75.00-105.00
1 Piece(MOQ)
Home Security Wireless Battery Operated Alarm and Carbon Monoxide Alarm Smoke Detector
US$4.00-10.00
100 Pieces(MOQ)
Safety Electronic Fire Alarm Smoke Sensor Detector for Security
US$2.50
2,000 Pieces(MOQ)
Tuya Smart Home APP WiFi Alarm Smoke and Carbon Monoxide Composite Detector Sensor 2-in-1
US$13.00-16.00
1,000 Pieces(MOQ)
Smoke Sensor Detector for Residential Fire Alarm
Negotiable
1,000 Sets(MOQ)
Smart Standalone Poison Smoke Co Gas Sensor Warning Alarm Detector
US$11.50-13.00
1 Piece(MOQ)
SLS Tuya Zigbee Fire Alarm Smoke Sensor Detector for Home Security
US$14.50-15.00
1 Piece(MOQ)



















