SONOFF BASICR4 Wi-Fi Smart Switch Presence Sensor A: PMR446 is commonly license-free

A: PMR446 is commonly license-free in many European regions

Differentiating itself from conventional multimeters

Ball Mode: Quickly inflates basketballs

1x Power Cable

Researchers developing low-cost bimanual mobile manipulation

SONOFF BASICR4 Wi-Fi Smart Switch Presence Sensor A: PMR446 is commonly license-freeDescription SONOFF BASICR4 Wi Fi Smart Switch is an official single channel smart switch for upgrading standard AC lighting and appliance circuits with app based control, scheduling, and automation. The hardware uses the new generation ESP32 platform and is designed for responsive switching, stable 2. 4GHz Wi Fi connectivity, and practical daily smart home control. BASICR4 also focuses on real installation convenience. Magic Switch Mode keeps app