What is the warranty period for this product?

We provide a 12-month warranty and after-sales service for this air horn.

What is the minimum order quantity (MOQ)?

The minimum order quantity is 500 pieces.

What are the payment terms and delivery time?

Payment terms include TT, LC, D/P, and PayPal. Delivery time is typically 30-45 days, with an average lead time of one month.

S-501 12V/24V Two-Tone Siren Air Horn

Name: S-501 12V/24V Two-Tone Siren Air Horn
Brand: Zhejiang Weitech Co., Ltd.
SKU: 2138437575

Zhejiang, ChinaZhejiang Weitech Co., Ltd.

US$4.30

500 Pieces

Product profile

Customization

Available

After-sales Service

12month

Warranty

12 Month

Model NO.

S-501

Type

Air Horn

Material

Plastic

Voltage

12V 24V

Certificates

ISO9001

Car Make

Universal

Specification

450MM

Trademark

shengbao

Origin

Wenzhou City, Zhejiang Province, China

HS Code

85123011

Key features

High Decibel Output: Delivers powerful 120dB sound with dual frequencies of 680Hz and 530Hz.

Wide Voltage Compatibility: Operates effectively on both 12V and 24V electrical systems.

Durable Construction: Made of plastic with a lifespan exceeding 100,000 activation cycles.

Universal Fitment: Designed as a universal air horn for cars, motorcycles, trucks, and bicycles.

Flexible Customization: Supports OEM/ODM services including customization from samples and designs.

Certified Quality: Manufactured under ISO9001 certification standards for reliability.

Comprehensive Warranty: Includes a 12-month warranty and after-sales service for peace of mind.

Secure Packaging: Packed in cartons with foam protection, 50pcs per carton for safe shipping.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedExhibition Experience

Zhejiang Weitech Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤3.57h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D software design, ODM, and OEM capabilities, supported by R&D personnel, documented design review and validation materials, and recent product development. It reports ISO 9001 certification and more than 100 CE- and ECE-certified product models. Manufacturing evidence includes seven production lines, in-stock capability, one-month average lead times in both peak and off-season, and access to Shanghai and Ningbo ports. However, the supplier has no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, no approved-supplier list, and several procedures lack written records. No patents, SDK, or continuous batch quantity reconciliation were reported. Financial information is limited to year labels without substantive performance indicators, so financial credibility cannot be determined.

Supplier typeThe supplier presents itself as a manufacturer and design-oriented service provider, offering 3D software design, ODM, OEM for well-known brands, in-stock capability, and seven production lines. It also exports goods and accepts multiple international trade terms, but lacks a valid manufacturing-capacity contract with related subcontractors.

CertificationsThe company states that it has passed ISO 9001 certification and that more than 100 product models have obtained CE and ECE certifications. These are explicit certification claims supporting the supplier's quality and product-compliance position.

R&D capabilityThe supplier reports new products within the past year, R&D responsibilities covering product improvement, available design-input/output and review/verification/validation documents, and use of CorelDRAW and Pro-E. However, it reports zero patents and no available SDK, so the evidence supports practical product development but not strong proprietary innovation.

Production capacityProduction-related evidence includes seven production lines, in-stock capability, one-month average lead times in both peak and off-season, and proximity to Shanghai and Ningbo ports. Deficiencies include no valid contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing standard operating procedure.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, alongside 3D software design, ODM services, and R&D support for production. This indicates broad customization coverage across design and manufacturing activities.

Client casesThe supplier states that it provides OEM services for well-known brands, maintains cooperation with countries along the Belt and Road, and has products widely praised in the European Community market. These statements indicate market and customer exposure, although no specific customer names or case details are provided.

Product Q&A

Q:What is the voltage requirement for this siren?

The S-501 air horn supports dual voltage options of 12V and 24V, making it compatible with various vehicle electrical systems.

Q:What is the sound level and frequency of the horn?

It produces a loud 120dB sound with two-tone frequencies of 680Hz and 530Hz for maximum audibility.

Q:Is this air horn suitable for all types of vehicles?

Yes, it is designed as a universal fitment for cars, motorcycles, trucks, and bicycles.

Q:What is the expected lifespan of the product?

The horn has a long service life, capable of more than 100,000 activation cycles.

Q:Does the manufacturer offer customization services?

Yes, we provide OEM and ODM services, including customization from samples, designs, and flexible minor customization options.

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S-501 12V/24V Two-Tone Siren Air Horn