What is the voltage requirement for the doorbell?

The device requires DC4.5V power.

Wired Door Chime with 2 Meters Cable and Switch Doorbell

Name: Wired Door Chime with 2 Meters Cable and Switch Doorbell
Brand: HEFEI LONG RIVER ELECTRICAL CO., LTD.
SKU: 750147712

Anhui, ChinaHEFEI LONG RIVER ELECTRICAL CO., LTD.

US$0.59-1.10

3,000 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Materials

PS/ABS

Transport Package

Blister Card or Box

Model NO.

LRD-099

Specification

50PCS/CTN

Trademark

Longriver

Origin

China

HS Code

8531100000

Production Capacity

100000units/Year

Key features

Voice Alert Function: Emits a clear 'DINGDONG' sound when the button is pressed to notify of visitors.

LED Indicator Light: Features one red LED light to visually indicate activation status.

Long Cable Connection: Includes a 2-meter cable for flexible installation distance between button and chime.

Durable Material Build: Constructed from high-quality PS and ABS materials for long-lasting performance.

Battery Powered Operation: Operates on 3pcs AA batteries (not included) with DC4.5V requirement.

Switch Included: Comes with a dedicated switch for easy control of the doorbell system.

Company profile

HEFEI LONG RIVER ELECTRICAL CO., LTD.

Anhui, China

Business Type: Trading CompanyExport Year: 2005-06-02Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤5.90hTerms 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.