What are the dimensions of the sensor and magnet?

The sensor dimensions are 2.50 x 0.75 inches, and the magnet dimensions are 0.51 x 0.75 inches.

Does the sensor support low battery warnings?

Yes, the sensor features a low battery warning and alarm restore functionality to ensure system reliability.

What is the minimum order quantity?

The minimum order quantity is 2000 pieces.

Smart House Wireless Window Magnetic Contact Door Sensor Wc20-D

Name: Smart House Wireless Window Magnetic Contact Door Sensor Wc20-D
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 743283642

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

Application

Burglar Alarm System

Model NO.

WC20-D

Sensor Dimensions (Hxd)

2.50 X 0.75 in. (6.37 X 1.9 Cm)

Magnet Dimensions (Hxd)

0.51 X 0.75 in. (1.3 X 1.9 Cm)

Weight

1.25 Oz. (37 G) (Including Battery and Magnet

Color

White, Tan or Brown

Transmitter Frequency

345MHz , 319.5MHz , 433.9MHz

Installation

Screw Mount or Press Fit

Product Name

Smart House Wireless Window Magnetic Contact Door

Trademark

Sentek

Key features

Flexible Recessed Design: Supervised recessed contact hides within door or window frames for discreet installation.

Long Battery Life: Powered by a replaceable CR2 lithium battery lasting up to 6 years under normal usage.

Wide Compatibility: Compatible with 2GIG, Honeywell, GE Interlogix, and DSC wireless alarm control panels.

Ultra-Low Power Consumption: Features less than 3uA quiescent current for enhanced energy efficiency and stability.

Secure Signal Transmission: Transmits signals on 345MHz, 319.5MHz, or 433.9MHz with over 1 million unique code combinations.

Comprehensive Warranty: Backed by a 2-year limited warranty covering mechanical defects and reliability.

High Sensitivity Reed Switch: Detects gaps as small as 0.625 inches with typical sensitivity at 1 inch for reliable alarm triggering.

Robust Build Quality: Constructed with ABS plastic housing and SMT processed quality components for durability.

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.