What is the warranty period?

The product comes with a two-year limited warranty.

What is the minimum order quantity?

The minimum order quantity is 2000 pieces.

433MHz 345MHz 319 MHz Wireless Door Contact Sensor

Name: 433MHz 345MHz 319 MHz Wireless Door Contact Sensor
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 700184612

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$8.50

1,000-4,999 Pieces

US$7.60

5,000-9,999 Pieces

US$6.80

10,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO, RoHS, CE

Installation

Surface Mount

Model NO.

WC-20

Warranty

2 Years

Wireless Signal Range

450 Ft, Open Air

Transport Package

100PCS/Carton

Specification

UL, CE. Rosh

Trademark

Sentek

Origin

China

HS Code

8531901000

Production Capacity

100000/Month

Key features

Multi-Frequency Compatibility: Supports 345MHz, 319MHz, and 433MHz for Honeywell, 2GIG, GE, and DSC panels.

Ultra-Low Power Consumption: Less than 3uA quiescent current with a 6-year battery life on a single CR2 battery.

Long Wireless Range: Achieves a wireless signal range of 450 feet in open air conditions.

High Security Code: Features over one million unique ID code combinations to prevent interference.

Comprehensive Certifications: Certified with ISO, RoHS, CE, and FCC Part 15 for safety and compliance.

2-Year Limited Warranty: Backed by a two-year limited warranty for peace of mind and reliability.

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Robust Build Quality: Made of ABS plastic with SMT processing and rare earth magnets for stability.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceManagement CertificationR&D Capabilities

Ningbo Sentek Electronics 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: 19 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 148 employees, focused on designing and manufacturing fire alarm and monitoring equipment, security products, smart-home equipment, detectors, sensors, and electronic components. It offers professional R&D, 3D software design, SDK availability, ODM, OEM, and broad customization services. Its products have passed national fire-electronic quality supervision testing and obtained mandatory CCCF certification. Quality and service processes are documented, including complaint handling, corrective and preventive actions, finished-product inspection, and supplier assessment. The supplier has valid manufacturing contracts with associated subcontractors and 12 qualified service-capability suppliers. However, it reports no in-stock capacity, overseas warehouse, or overseas showroom. Export sales account for 90%, with 19 years of export experience, but exports are conducted through an agent. Customer-specific cases are not clearly identified.

Supplier typeThe supplier is identified as a limited company with a combined company type and no stated affiliation with a larger corporate group. Its business scope covers design and manufacture of fire alarm, monitoring, security, smart-home, detector, sensor, and electronic-component products.

CertificationsThe supplier's listed fire alarm products passed qualification testing by the national fire electronic product quality supervision and inspection center. It also completed the required conformity-assessment audit and obtained national mandatory CCCF certification with the CCCF mark.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, supplier-service assessment, and quality assurance. These records support an established service-management process, although the slices do not specify response times, repair coverage, or warranty terms.

R&D capabilityThe supplier is identified as a professional technical supplier with R&D capability, 3D software design services, and an available SDK. It reported new products within the past year and offers ODM services, providing explicit evidence of product-development and technical-design capability.

Production capacityProduction-related controls include valid contracts with associated subcontractors, documented finished-product inspection, quality assurance, and 12 qualified service-capability suppliers. The supplier has 148 employees and states a one-month average lead time in both peak and off seasons, but it has no in-stock capacity, overseas warehouse, or overseas showroom.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its R&D offering also includes ODM and OEM services, indicating broad ability to adapt or develop products to customer requirements.