QIACHIP KR2301-4 Instruction Manual AC 110V 220V WIFI Ewelink Smart Remote Control Switch 1-CH Relay Receiver

Version: V1.0

Last Updated: 2026-01-29

Model: KR2301

Product Size

Receiver Length (L) x Width (W) x Height (H): 42mm x 42mm x 20mm

Component Description

1: Learning button
2: Indicator light
S1: External Switch Terminal
S2: External Switch Terminal

L-Out: Output Live wire terminal
N-Out: Output Neutral wire terminal
L-In: Input Live wire terminal
N-In: Input Neutral wire terminal

Wiring Diagram

Disconnect power before wiring.

Figure 1

Figure 1: Wiring diagram for Lamp

Load: Lamp
Input Power: AC 100V-240V

Figure 2

Figure 2: Wiring diagram for Lamp (SPDT External 1-Way Switch)

Load: Lamp
External Switch: SPST 1-Way
Input Power: AC 100V-240V

Figure 3

Figure 3: Wiring diagram for Lamp (SPDT External 2-Way Switch)

Load: Lamp
External Switch: SPDT 2-Way
Input Power: AC 100V-240V

Pairing with Ewelink APP

Step 1

Connect your phone to 2.4GHz WIFI and turn on Bluetooth.

Step 2

Long press the learning button on the receiver for more than 6 seconds until the indicator light flashes twice quickly and then stays on once, and the WIFI pairing mode will be successfully activated.

Step 3

Open the Ewelink APP. Tap "+" to add a device in the top right corner of the screen, and enter the password of the connected 2.4G WIFI.

Step 4

Tap the icon of the device that appears to start the pairing process, and then wait until the pairing is completed.

Compatible Pairing Mode

If you fail to enter Quick Pairing Mode (Touch), please try "Compatible Pairing Mode" to pair.

Step 1

Long press the learning button on the receiver for more than 5 seconds until the LED indicator flashes twice rapidly and then remains on steadily. Then release the button. Long press the pairing button for 5 seconds again until the indicator flashes rapidly. Subsequently, the device enters the compatible pairing mode.

Step 2

Tap "+" and select "Compatible Pairing Mode" on APP. Select Wi-Fi SSID with ITEAD-** and enter the password 12345678, and then go back to eWeLink APP and tap "Next". Be patient until pairing completes.

Pairing with RM2.4G remote control

Offline Pairing

Step 1

Press the learning button on the receiver twice in quick succession.

Step 2

The pairing can be completed by pressing the button of the remote control to be paired again.

To delete the paired remote control buttons, you need to go to the "eWelink Remote" page in the App settings for deletion.

Pairing within APP

Step 1

Click on the added device, then click the settings icon in the upper - right corner, and then select "eWelink Remote".

Step 2

Simply operate according to the prompts.

Electrical characteristics

Parameter	Value
Input voltage	AC 100V-240V
WIFI frequency	IEEE 802.11 b/g/n 2.4GHz
Maximum Load Current	16A
Rated Load	Max 3500W
Receiver sensitivity	-108dBm
Working temperature	-10℃~70℃
Size	42x42x20mm

Note: Rated Load breakdown by scenario: resistive load 3500W, LED light 500W

Warning

L and N wires must not be reversed.
When using wireless electronic devices, avoid proximity to metal objects, large electronic equipment, electromagnetic fields, and other sources of strong interference.