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New Developed Smart Simple Self-Powered Doorbell

Name: New Developed Smart Simple Self-Powered Doorbell
Brand: Shenzhen Chitongda Electronic Co., Ltd.
SKU: 682111482

Guangdong, ChinaShenzhen Chitongda Electronic Co., Ltd.

US$10.00

10-99 Sets

US$8.00

100+ Sets

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Home Alarm

Signal Transmission

Wireless Alarm

Model NO.

ML-A2

Working Mode

Passive

Certification

CE, ISO, FCC, RoHS, CCC

Application

Indoor

Working Principle

Electromagnetic

Transmission Mode

Wireless

Alarm Volume (within 1m)

≥80dB

Receive Frequency

433.92MHz

History

Since 1998

Certificate

Ce&RoHS*FCC&ISO90001&CCC

Warranty

Two Years

Wireless Frequency

433MHz

Wireless Distance

≤80m ( for Free Space )

Doorbell Button

Self-Powered

Volume Adjustable

4-Speed Adjustment (Mute, 90dB, 100dB, 110dB)

Transport Package

Carton

Specification

87mm x 45mm x 44mm / 78mmx 45mm x 22mm

Trademark

Wolf-guard / Secustone

Origin

Shenzhen

HS Code

85311000

Production Capacity

10000PCS

Key features

Self-Powered Design: Battery-free wireless doorbell button powered by electromagnetic working principle.

Volume Adjustable: 4-speed adjustment options: Mute, 90dB, 100dB, and 110dB.

Multiple Pairing Support: One indoor panel supports up to 40 doorbell buttons with flexible pairing.

Rich Melody Options: 35 different melodies available for user selection.

Long Wireless Range: Wireless transmission distance up to 80 meters in free space.

Comprehensive Certification: Certified with CE, ISO, FCC, RoHS, and CCC standards.

Company profile

High Repeat Buyers ChoiceExperienced TeamManagement CertificationProduct Certification

Shenzhen Chitongda Electronic Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-09-08Nearest Port: shenzhen shekouAverage Response Time: ≤11.45hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, R&D, and sustainability capabilities. It demonstrates documented procedures for corrective actions, complaint handling, supplier assessment, and R&D review, and reports ISO9001:2015, CCC, CE, and FCC-related certification or testing evidence. R&D capabilities include technical support, new product development, SDK availability, 3D design, ODM, OEM, and multiple customization modes. Manufacturing-related evidence includes specialized testing and production facilities, inventory capability, and stated seasonal lead times. However, the supplier lacks a valid manufacturing contract with affiliated subcontractors and has no overseas warehouse or showroom. Financial records are referenced for several years, but the provided slices do not establish financial strength or credibility.

Supplier typeThe supplier is explicitly classified as a combined company rather than an offshore company. Its offering description covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities, indicating a broad operational scope.

CertificationsThe supplier reports an ISO9001:2015 certificate and lists CCC and CE under product certification capability, with FCC and other raw-material test-report evidence. The slices confirm reported certifications and testing-related capability, but do not provide certificate validity dates or detailed scope.

After-Sales capabilityTechnology engineers are responsible for technical support during production and after-sales service. The supplier also has documented and followed procedures for corrective and preventive actions, customer complaints, and supplier-service assessment, supporting an established after-sales process.

R&D capabilityThe supplier reports professional technical-supplier status, R&D audit documentation, SDK availability, recent new products, ODM services, OEM services for well-known brands, and engineers responsible for new product development. These are explicit indicators of established R&D and innovation capability.

Production capacityThe supplier lists specialized facilities including automatic screw packing and welding equipment, environmental and gas test chambers, laser marking, oscillation testing, shielding, smoke sensing, and ultrasonic facilities. It also reports inventory capability and stated lead times, but has no valid manufacturing contract with affiliated subcontractors, creating a documented production-governance deficiency.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization, with 3D software design services available. The repeated capability statements indicate broad customization coverage.