SEN55 and SCD40 Breakout Board Smart Home Device With SCD40 CO2 Sensor USA NEW vs Shelly Pro 4PM
SEN55 and SCD40 Breakout Board Smart Home Device With SCD40 CO2 Sensor USA NEW and Shelly Pro 4PM are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Shelly Pro 4PM is €58.73 cheaper ($100.95).
| Criterion |  SEN55 and SCD40 Breakout Board Smart Home Device With SCD40 CO2 Sensor USA NEW |  Shelly Pro 4PM |
|---|---|---|
| Price | $169.99Least favorable value | $100.95Best value |
| Seller | eBay | eBay |
| Availability | In stock | In stock |
| Rating | — | — |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.