# 4 relay module with remote control, 12V, 433Mhz, programmable

> 4-channel relay module for remote control, 12V DC supply, includes a 433Mhz remote control. Uses a decoder with chip 2272 and supports momentary, ON/OFF or latched operating modes, plus mixed channel modes. Comes with a plastic case for mounting, dimensions 170 x 110 x 50mm. The remote's battery, type 23A 12V, is not included. Output is a closed-open contact type.

- Page: https://sigmanortec.ro/en/4-relay-module-with-remote-control-12v-433mhz-programmable
- Price: 67.97 RON
- Availability: In stock; 1-2 zile
- Reference: 9005 · EAN: 5940935125476
- Category: Electronic components > Relays
- Specifications: tension: AD; Output Type Voltage: Closed-Open Contact; Input Voltage: 12 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.1 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:49 (Europe/Bucharest)

## Description

Remotely control up to 4 circuits or consumers at 12V, ideal for automation, lighting or DIY projects. It operates on 433Mhz and includes a remote control, is quickly programmed from the button with momentary, ON OFF or latched modes, has a decoder with a 2272 chip for stable control and comes with a plastic box for mounting and protection.
4-channel relay control module with remote control for remote operation, frequency 433Mhz.
The package also includes a plastic box for the relay board.
To change the battery, unscrew the screw on the back and open the remote control.
Specifications:
Supply voltage: 12VDC
Number of channels: 4
Remote control operating frequency: 433Mhz
Remote control included: Yes
Battery: 23A, 12V (not included)
Decoder: Chip 2272
Operating modes:
1 - Momentary. Relay activated as long as you press the button on the remote control.
2 - With retention, ON/OFF with each key press
3 - Latched. Each time a channel is activated, it will turn on and the previously selected channel will turn off.
4 - Mixed, 2 Channels one setting, 2 Channels another setting
Dimensions mm: 170 x 110 x 50mm
Instructions:
Power up the module, wait for the LED to stay on and press the button 8 times to reset the system. A series of LED flashes will confirm the action. Wait until the LED is steady on. Do not use the remote control yet.
You can program the module in the following ways:
1 - Momentary - Press the button on the board once. When the LED stays on brightly, press a key on the remote control.
2 - With hold, ON/OFF - Press the button on the board 2 times . When the LED remains on brightly, press a key on the remote control.
3 - Latched - Press the button on the board 3 times . When the LED stays on brightly, press a key on the remote control.
4 - 2CH 1, 2CH 2 - Press the button on the board 4 times . When the LED stays on brightly, press a key on the remote control.
5 - 2CH 1, 2CH 3 - Press the button on the board 5 times . When the LED stays on brightly, press a key on the remote control.
6 - 2CH 2, 2CH 3 - Press the button on the board 6 times . When the LED stays on brightly, press a key on the remote control.
7 - 2CH 3, 2CH 3 - Press the button on the board 7 times . When the LED stays on brightly, press a key on the remote control.
8 - RESET - Press 8 times to reset the settings.
Important: Changing the settings can only be done after a RESET.
Add remote control: Press the Learn button once and then press a key on the new remote control. Attention! The new remote control may differ in that its buttons may operate different relays than the remote control that comes with the module. Changing the buttons between them is not possible. However, you can move the rubber key.
Assembly diagram: