ITead offers a new model of small one- and two-way switches. These devices are based on the modern and powerful CC2652P1F chip. This chip has a built-in amplifier and should provide excellent signal strength and connection range. But real applications show that is not true.
Sonoff Basic ZBR3 with the configurable firmware
You may use the latest version of my configurable firmware with Sonoff Basic ZBR3. But only one external sensor is tested (Si7021)