Sonoff RFR2 Smart Home WiFi Mobile Remote Control Siri/Alexa/Google Voice Control On/Off Switch 10A 433MHz Version 11.1V 5200mAh Orange Lithium polymer battery perform a two-point calibration: place

perform a two-point calibration: place a known reference object at the sensor's minimum detection distance (2cm) and maximum operational distance (typically 3-4 meters)

15mm X 5mm 1 meter Plane Coated Nickel Welding Strip For 18650 Lithium Battery Pack

ESP-IDF for production-grade firmware

5A (adjustable) Input Voltage Range 3V to 40V DC Output Voltage Range 1

this capacitor offers reliable performance in various electronic applications

Sonoff RFR2 Smart Home WiFi Mobile Remote Control Siri/Alexa/Google Voice Control On/Off Switch 10A 433MHz Version 11.1V 5200mAh Orange Lithium polymer battery perform a two-point calibration: placeSonoff RFR2 Smart Home WiFi Mobile Remote Control Siri Alexa Google Voice Control On Off Switch 10A 433MHz Version The Sonoff RFR2 is a dual protocol wireless remote control switch that combines WiFi and 433MHz RF functionality for seamless smart home automation. Home automation professionals, electricians, and IoT integrators rely on this device to retrofit existing electrical installations with voice control and mobile app capabilities without