Extends LoRa communication for certain Shelly Pro devices to up to 5 km and enables automation and remote control even in challenging or sprawling environments. The Shelly LoRa Add-on is not a standalone device and must be connected to a compatible Shelly Pro device for power and operation. Compatible devices: Shelly Pro RGBWW PM, Pro 1/2, Pro 1PM/2PM, Pro Dimmer 1PM/2PM, Pro EM-50, Pro 3EM, Pro Dimmer 0/1-10V PM. At least two Shelly LoRa Add-on devices are required for LoRa transmission and reception (either two Pro devices or one Pro device plus one LoRa Add-on).