Shelly Plus Add-on Sensor Adapter The Shelly Plus Add-on is an invaluable sensor interface that opens up entirely new possibilities in the world of home automation. This galvanically isolated interface is specially created for Shelly Plus devices to provide you with full control and flexibility in managing your smart home. Compatibility and Compact Size The Shelly Plus Add-on is perfectly compatible with many Shelly Plus devices, such as Shelly Plus 1 / 1PM, Shelly Plus 2PM, Shelly Plus i4 / i4DC. It allows you to further expand your installation and control various devices in your home. Moreover, it impresses with its compact design, measuring only 37 × 42 × 15 mm. This means you can easily install it anywhere, even in places where space is limited. ManufacturerShellyModelPlus Add-onDimensions37 × 42 × 15 mmWeight105 gOperating Temperature-20°C to 40°CHumidity30% to 70%Max. Altitude2000 mDC Supply Voltage3.3 VPower Consumption< 0.5 WVCC max.10 mAVREF OUT max.1 mAVREF+R1 OUT10 kΩCompatibilityShelly Plus 1 / 1PM, Shelly Plus 2PM, Shelly Plus i4 / i4DC