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Product profile
Customization
AvailableType
Active Infrared Intrusion DetectorSignal Transmission
Wireless AlarmModel NO.
391Working Mode
ActiveCertification
CE, FCC, RoHSApplication
IndoorWorking Principle
Infrared SensorTransmission Mode
WirelessAlarm Volume (within 1m)
≥80dBReceive Frequency
433.92MHzCarton Size
50X31X29cmOEM
OkTransport Package
48units/CTNSpecification
ABSTrademark
LongriverOrigin
ChinaHS Code
8531100000Production Capacity
100000units/YearKey features
Wireless Range: Detects movement and sends signals up to 400 feet away.
High Volume Alarm: Alarm volume reaches 80dB or higher within 1 meter.
Certified Safety: CE, FCC, and RoHS certified for quality and safety.
Easy Installation: Wall mountable design with battery-operated convenience.
OEM Service: OEM customization is available for branding needs.
Versatile Power: Available in DC battery or AC plug-in wireless options.
Company profile

Business Type: Trading CompanyExport Year: 2005-06-02Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤5.58hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW
AI-Powered supplier vetting
SummaryHEFEI LONG RIVER ELECTRICAL CO., LTD. is a China-based limited trading company operating from Anhui, with a stated factory location in Ningbo, Zhejiang. It has self-operated import and export rights and has exported since 2005, with 71%–90% of sales reportedly from exports. The supplier covers electrical, lighting, hardware, consumer electronics, and related product categories, and reports sales to more than 20 countries and regions. Its stated operational profile includes six production lines, 6–10 quality-control staff, 6–10 R&D engineers, and peak-season fulfillment within one month. QC 080000 and HACCP are listed as management-system certifications. Evidence is insufficient to verify after-sales service, financial credibility, customization capability, or specific customer cases.
Supplier typeThe supplier is explicitly identified as a trading company and limited company based in China, with self-operated import and export rights. Its business scope spans tools and hardware, lighting, electrical and electronic products, construction and decoration, and consumer electronics.
CertificationsQC 080000 and HACCP are listed as the supplier’s management-system certifications. The provided information does not state their validity, certification bodies, certificate numbers, or applicable facilities, but it explicitly evidences certification holdings.
R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience, which provides explicit evidence of an R&D resource base. The slices do not identify patents, new-product development results, design capabilities, or R&D facilities, so innovation performance cannot be fully verified.
Production capacityThe supplier reports six production lines, 6–10 quality-control staff, and fulfillment within 15 workdays in off-peak periods and one month during peak periods. A factory location in Ningbo, Zhejiang is also stated, supporting operational capacity, although the relationship between the trading company and the stated factory is not further explained.
Product Q&A
Q:What is the wireless detection range?
A:
The sensor can detect movements and send signals to the receiver from up to 400 feet away.
Q:How loud is the alarm?
A:
The alarm volume is 80dB or higher within a 1-meter distance.
Q:What certifications does the product have?
A:
The product is certified with CE, FCC, and RoHS standards.
Q:Is OEM customization available?
A:
Yes, OEM customization is available for this product.
Q:What are the power options?
A:
The doorbell is available in two versions: DC battery operated and AC plug-in wireless.
Send Inquiry
*To:
HEFEI LONG RIVER ELECTRICAL CO., LTD.
HEFEI LONG RIVER ELECTRICAL CO., LTD.*Content:
Supplier replies will be sent to your registered email
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