Upgraded ESP32 Chip: Features the new and improved ESP32 chip, enhancing the basic functionalities while maintaining a reasonable price point for better performance Clever Control Mode: This allows you to control your lights via the app even when the traditional wall switch is off. Enjoy the convenience of smart living, whether through wall switches or the app remote control eWeLink Remote Control: The BASICR4 is a smart switch with "eWeLink Remote" gateway functionality. By adding "eWeLink Remote" sub-devices and pairing with S-Mate2 or R5, you can set up scenes for bidirectional and local control Group Control: For added convenience, you can create groups to control multiple devices simultaneously, making it easier to manage your smart home ecosystem Safety and Reliability: Equipped with an internal temperature sensor for real-time detection and prediction of the product's maximum temperature, preventing deformation, melting, fire, or exposure of electrical components due to overheating. The BASICR4 is certified by CE, FCC, and ETL, ensuring its safety and reliability Specifications: Input: 100-240V AC 50/60Hz Output: 100-240V AC 50/60Hz Max. Power: 2400W@240V Working Temperature: -10℃~40℃ Wi-Fi: IEEE 802.11 b/g/n 2.4GHz Material: PC V0 Size: 88 x 24 x 39mm Weight: 45.8g