🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½
Bigamart
Price
$46.99
Home/DIY & Tools/Electrical/Switches & Dimmers
QIACHIP Ewelink Smart WiFi Switch,4 channel Dry Contact Relay Module 5V 12V 48V Momentary/self-locking ON Off Power Switch for Access Control,Turn on PC,Compatible with Alexa Google Home — image 1
Switches & DimmersQIACHIP✓ In stock

QIACHIP Ewelink Smart WiFi Switch,4 channel Dry Contact Relay Module 5V 12V 48V Momentary/self-locking ON Off Power Switch for Access Control,Turn on PC,Compatible with Alexa Google Home

★★★★★
$46.99

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About this item
  • 【Intelligent Connection】4 channel Wireless WIFI smart switch relay module,users can use ewelink APP to remotely switch on/off the connected home appliances or devices, support Amazon ECHO, Google Home and other third-party voice control and 2.4G intelligent remote control of lights.
  • 【Diversified Functions】Switch Timer, Scene Linkage, Power Setting, Minute Setting, Interlock Setting, Shared Control, and so on. Dry contact relay/low voltage passive output, USB 5V input or DC 7~48V positive and negative input.
  • 【Remote Control】2.4G intelligent remote control can be added on APP. The remote control has full power switch button, which can switch multiple devices at the same time. Remote control distance up to 30 metres. (5G WiFi is not supported)
  • 【Multiple Modes】Support inching,self-locking and interlocking working modes(Momentary,Toggle,Latched mode)Default is auto-lock mode, you can freely,no need to bridge, There are 3 terminals(normally open pin, common pin, normally closed pin) for the relay. This is a potential-free contacts relay. Passive output. Dry contacts. The relay is cean.
  • 【Wide range of applications】Suitable for smart lights, fans, garage doors, humidifiers, thermostats, roller shutters ,Electromagnetic door, contactor, signal transmission and DIY remote control switch.
Product details
Brand
QIACHIP
Manufacturer
‎KOSEL
Model number
KR0548-4CH
Part number
KR0548-4CH-Only

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
See all reviews →
S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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