Does the sensor have tamper protection?

Yes, the sensor is equipped with a cover tamper for additional security.

What is the battery type used in this device?

It uses one CR2 (CR15270) battery.

What certifications does the product hold?

The product holds CE, ISO, RoHS, and FCC certifications.

Wireless Transmitter Magnetic Door Contacts Sensor Wc20-D

Name: Wireless Transmitter Magnetic Door Contacts Sensor Wc20-D
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 743888872

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$13.00

100-499 Pieces

US$11.00

500-999 Pieces

US$9.50

1,000-4,999 Pieces

US$8.20

5,000-9,999 Pieces

US$7.50

10,000+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Type

Wireless Contacts

Signal Transmission

Wireless Alarm

Model NO.

WC20-D

Certification

CE, ISO, RoHS

Application

Indoor

Working Principle

Electro-Optical Type

Certificate

FCC

Transmitter Frequency

345MHz, 319.508MHz, 433.92MHz

Transmitter Bandwidth

24kHz

OEM & ODM

Yes

Color

White, Tan or Brown Available

Occasion

House, Hotels, Market, etc

Battery

One(1) Cr2(Cr15270)

Dimension

63.7X19mm (H*D)

Weight

37g/Set

Transport Package

10PC/Box, 500PCS/Carton

Specification

ABS

Trademark

Sentek

Origin

China

HS Code

8531901000

Production Capacity

150000/Month

Key features

Multi-Frequency Compatibility: Supports 345MHz, 319.508MHz, and 433.92MHz for Honeywell, 2GIG, GE, and DSC panels.

OEM and ODM Services: Full customization, minor customization, and design-based customization available.

Multiple Color Options: Available in White, Tan, or Brown to match various interior designs.

Tamper Protection: Equipped with a cover tamper switch for enhanced security against unauthorized access.

External Input Support: Accepts N/C dry contact devices for expanded integration capabilities.

Compact and Lightweight: Dimensions 63.7x19mm and weight 37g/set for easy surface mounting.

CE, ISO, and RoHS Certified: Meets international safety and environmental standards for global compliance.

100% Quality Inspection: All finished products undergo visual inspection by 10 dedicated QA/QC inspectors.

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: ≤18h

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.