What contact output options are available?

It offers NO (Normally Open), NC (Normally Closed), and COM (Common) contact outputs.

Is this switch non-contact?

Yes, it is a non-contact infrared sensor switch that triggers without physical touch.

Does it require a back box for installation?

No, it is designed for surface mounting and does not require a back box.

K3-R Surface-Mounted Infrared Sensor Switch for Easy Installation

Name: K3-R Surface-Mounted Infrared Sensor Switch for Easy Installation
Brand: Shenzhen Limai Electronics Co., Ltd
SKU: 2237403925

Guangdong, ChinaShenzhen Limai Electronics Co., Ltd

US$12.00

1-9 Pieces

US$11.82

10-99 Pieces

US$11.62

100+ Pieces

Product profile

Customization

Available

Customized

Certification

RoHS, CE

Model NO.

LM-K3-R

Application

Enterprise, Supermarket, Campus, Hospital, Parking, Warehouse, Hotel, Company, Garage, Community

Trigger Mode

Infrared

Type

Normally Closed

Material

ABS

Voltage

DC 12-24V

Button Type

Normally Open/Normally Closed Type, with No/Nc/COM

Light Effect

Dual-Color LED Indicator Light

Transport Package

Cardboard Box

Specification

90*90*25mm

Trademark

Limai

Origin

Shenzhen China

Key features

Customizable LED Color: The LED indicator color can be customized to meet specific branding or functional needs.

Customizable Panel Pattern: The ABS material shell allows for customization of the panel pattern to suit various environments.

Adjustable Induction Distance: Induction distance is adjustable from 5 to 20cm for precise detection control.

Flexible Delay Control: Supports delay adjustment from 0 to 30 seconds for tailored operation timing.

NO/NC/COM Output Options: Offers normally open, normally closed, and common contact outputs for versatile integration.

Wide Voltage Compatibility: Universal DC 12-24V voltage support ensures compatibility with various power systems.

Non-Contact Infrared Sensing: Triggers signals without physical touch, enhancing hygiene and device longevity.

Easy Surface Mounting: Designed for surface mounting without requiring a back box, simplifying installation.

Company profile

High Repeat Buyers ChoiceSelf-branded

Shenzhen Limai Electronics Co., Ltd

Guangdong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤6.86h

AI-Powered supplier vetting

SummaryShenzhen Limai Electronics Co., Ltd. is identified as a Chinese manufacturer/factory founded in Shenzhen in 2012, supplying access control, smart lock, barrier, elevator control, visitor management, and facial recognition products. It reports recent new-product activity, four R&D engineers, ODM services, and broad customization options. However, the supplier has no valid import/export license, no overseas warehouses, showrooms, agents, or offline trade-show participation, and reports no formal procedures or records for service assessment, corrective actions, or complaint handling. GMP certification is stated, but customer-case evidence is limited because no Fortune 500 cooperation is reported. Financial data is inconsistent and incomplete, so financial credibility cannot be determined.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company located in Shenzhen, China. Its stated business covers intelligent access-control and related electronic security products, while no larger-company affiliation is reported.

After-Sales capabilityThe company states that its services include after-sales support and maintenance, and reports lead times within 15 workdays in both peak and off-season. However, it has no written procedures or records for complaint handling, service capability assessment, or corrective and preventive actions, and it has no overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, employs four R&D engineers, and provides ODM services. These are explicit indicators of ongoing product development, although the information does not quantify R&D investment or product-launch outcomes.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, minor and flexible customization, and customization from designs. It also reports ODM availability, directly supporting broad customization capability.