How often should I check the device?

Please check its sensitivity monthly to ensure it remains in good working condition.

When should I change the batteries?

Change batteries every 3 months if you are not using the 220V charger.

Is the voice customizable?

Yes, the voice can be customized to include specific sounds like 'Dingdong' and 32 other options.

32 Melody Visitor Doorbell Chime/Alarm with "Hello, Welcome"

Name: 32 Melody Visitor Doorbell Chime/Alarm with "Hello, Welcome"
Brand: HEFEI LONG RIVER ELECTRICAL CO., LTD.
SKU: 750149272

Anhui, ChinaHEFEI LONG RIVER ELECTRICAL CO., LTD.

US$2.10-2.50

2,000 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Type

Sensor

System Design

Light Sensor

Model NO.

371

Application

Video Store and Bookstore, Warehouse, Shopping Arcade, Supermarket, Garment Store, Jewelry Store, Hotel, Shop, Office

Detection Signal

Intelligence System

Certification

CE, FCC, RoHS, CCC

Detect Distance

1.2-2.0m

Voice

Dingdong and 32 Sound

Transport Package

Blister Card or Box

Specification

50PCS/CTN

Trademark

Longriver

Origin

China

HS Code

8531100000

Production Capacity

100000units/Year

Key features

32 Selectable Melodies: Features 32 customizable sound options including 'Dingdong' and other welcome tones.

Light Sensor Technology: Automatically activates upon detecting motion and light changes at entry points.

Wide Application Scope: Ideal for offices, retail stores, warehouses, hotels, and homes to announce visitors.

Multiple Power Options: Operates on 3 AA batteries or a DC6V regulated adapter (300mA, not included).

Comprehensive Certifications: Certified with CE, FCC, RoHS, and CCC standards for safety and compliance.

Optimal Detection Range: Effective detection distance spans from 1.2 to 2.0 meters for accurate sensing.

Custom Voice Options: Voice customization available for specific welcome messages and sounds.

Reliable Performance: Designed for long-term use with monthly sensitivity checks recommended.

Company profile

HEFEI LONG RIVER ELECTRICAL CO., LTD.

Anhui, China

Business Type: Trading CompanyExport Year: 2005-06-02Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤3.63hTerms 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.