SONOFF 4CHR3 4CHPROR3 WiFi smart switch 433 MHz RF remote control

The WiFi Smart Switch SONOFF 4CHR3 and 4CHPROR3 are modern four-channel smart devices designed to enable you to integrate smart control into your existing home electrical installation. These WiFi smart switches allow you to control lighting and household appliances from four different home areas simultaneously. This is an excellent smart part of the system for those who want to modernise their housing and increase the level of comfort.

WiFi Smart Switch - Key features

• Management of four channels - One device controls four separate circuits by allowing different lighting and devices to be controlled simultaneously from separate premises.
• 433 MHz RF remote control function - 4CHPROR3 model has an additional RF control function via RM433 remote controller, providing elasticity without Internet connection.
• WiFi preterm configurations - Easy configuration through a mobile application that allows you to control your device from anywhere on the Internet.
• Three modes of operation - The Smart Switch supports self-locking, interaction and impact modes, giving flexibility to different usage situations.
• Reliable 433 MHz technology - Uses a stable and reliable 433 MHz radio frequency that does not interfere with the WiFi signal and indicates excellent penetration power.
• Comfortable installation - DIM design is easy to fit into standard switch boxes without the need for a fast electronic message.
• Internal safety standards - Corresponding to international safety standards and has protection against short circuit and overload.

Technical specifications

• Model: SONOFF 4CHR3 / 4CHPROR3
• Number of channels: 4 channels
• Communication protocol: WiFi 2.4GHz
• RF frequency (4CHPROR3): 433 MHz
• Remote control function: RM433 remote controller
• Operating modes: self-locking, interaction, impact
• Voltage: AC 90-250V
• Maximum load: 10A per channel

Who is it suitable for and how to use it?

WiFi Smart Switch is ideal for savers who want to automate their home electrical system without expensive conversion. Suitable for a home that requires simultaneous control of several lighting or devices in different rooms. Practical advice: Start with the simplest switches like kitchen and website, then expand to other homes. The 4CHPROR3 version with RF management is perfect for the elderly or those who do not want to depend on Internet connection.

Buyer questions

Q: Does the WiFi Smart Switch require specialist montage?
No, SONOFF 4CHR3 and 4CHPROR3 are for self-montage. If you have the main electrical signal, you can install it yourself. However, if you are not sure, it is better to contact a qualified electrician for safety reasons.

Q: What is the difference between 4CHR3 and 4CHPROR3 models?
The main difference - 4CHPROR3 has an additional 433 MHz RF remote control function that allows you to control without WiFi. 4CHR3 is a simpler version only with WiFi management suitable for those for whom Internet connection is guaranteed.

Kl: How long is delivery and is there a guarantee?
Delivery usually takes 14-30 days depending on your location. The TopSmart.store provides a 12-month warranty for all domestic electronics products. If problems arise within this period, we will change them or we will pay back the money.

If you want to modernise your home and increase convenience, WiFi Smart Switch SONOFF 4CHR3 or 4CHPROR3 - a perfect choice. These smart systems are usually used to automate lighting, heating and household appliances, giving you time and energy savings. Buy now from the TopSmart.store and start your smart home trip!

Sources: Home automation and smart services | TopSmart store