What is the delivery time?

Delivery is within 3-5 days depending on order quantity. Peak season lead time is one month, while off-season is within 15 workdays.

Can I customize the product?

Yes, we accept OEM and ODM services, including logo printing on the shell and package, with options for full or minor customization.

4 Channel Relay Home Automation Modules Wireless Receiver Switch

Name: 4 Channel Relay Home Automation Modules Wireless Receiver Switch
Brand: Shenzhen Kelvin Electronics Co., Ltd.
SKU: 945870975

Guangdong, ChinaShenzhen Kelvin Electronics Co., Ltd.

US$3.50

20-199 Pieces

US$3.20

200-999 Pieces

US$2.80

1,000+ Pieces

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

Type

Quad

Operation

Switch Output, Voltage Output

Model NO.

KL-K400C

Voltage

DC12V

Working Current

8mA

Receiving Sensitivity

-103dBm

Output

Switching Signal (Dry Contact)

Channel

Max Load

7A (Relay Contact)

Size

49*69*20mm

Transport Package

10× 10× 10

Specification

80*50*15mm

Trademark

KELVIN

Origin

China, Guangdong

HS Code

8536500090

Production Capacity

50000pieces / Month

Key features

4-Channel Remote Control: Supports 4 channels with NO, NC, and COM terminals for versatile switching.

Long Range Transmission: Effective RF range of 1000-5Km for reliable wireless control.

Multiple Working Modes: Configurable as Momentary, Toggle, or Latching via jumper settings.

Customizable Voltage: Standard DC 12V operation with DC 9V or 24V customization available.

OEM & ODM Service: Accepts logo printing on shell and package with flexible customization.

High Load Capacity: Relay contact supports max load of 7A for robust performance.

Wide Frequency Options: Works at 433MHz or 315MHz with -103dBm receiving sensitivity.

CE & FCC Certified: Products approved with CE and FCC certifications for safety.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

Shenzhen Kelvin Electronics Co., Ltd.

Guangdong, 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: 14 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤8.17h

AI-Powered supplier vetting

SummaryThe supplier is a manufacturing company located in Shenzhen, specializing in RF technology products with a strong focus on customization and innovation. They hold an ISO9001:2015 certificate and have a robust supplier management system. Their R&D capabilities include providing ODM and OEM services and are supported by qualified engineers. While they lack overseas warehousing and showroom capabilities, they participate in international exhibitions and have an extensive export reach. Quality control processes are in place, ensuring traceability and customer satisfaction.

Supplier typeThe supplier is a manufacturing company located in Longgang District, Shenzhen.

CertificationsThe supplier holds an ISO9001:2015 certificate, indicating compliance with international quality management standards.

After-Sales capabilityR&D engineers provide technical support for after-sales services, indicating a structured approach to customer support.

R&D capabilityThe supplier offers ODM services, has new product development, and provides SDKs, demonstrating a strong innovation capacity.

Production capacityThe supplier operates 2 production lines with a significant annual output of wireless control devices, indicating solid production capability.

Customization capabilityThe supplier provides extensive customization services, including full customization and minor adjustments based on samples and designs.

Client casesThe supplier has experience in RF technology applications for various industries, having attended multiple international exhibitions.

Product Q&A

Q:What is the warranty period?

We provide a 1-year warranty for all products unless otherwise mentioned. For DOA items, please inform us within 3 days of arrival with original packaging for replacement or refund.

Q:How can I get technical support?

Contact us via email, TradeManager, Skype, or other IM tools. Our experienced R&D staff is available to answer your questions even when we are offline.

Q:What certifications do you have?

Most products are CE certified, and some are FCC certified. We can also assist with other certification requirements if needed.

Q:What is the minimum order quantity?

The minimum order is 100 pcs, but we accept trial orders.

Q:What are the payment terms?

We accept T/T, PayPal, Western Union, and Escrow. For OEM orders, terms are 30% deposit and 70% balance before shipment.