The Schneider Home Smart Thermostat C‑Wire Adapter is designed for homes without a common wire (C‑wire), supporting a wider range of existing thermostat wiring and simplifying installation. The C‑wire adapter provides continuous power to your Schneider Home Smart Thermostat without requiring additional wiring. Installation is simple enough to do yourself, or hire a professional to install it along with the thermostat. The compact design allows it to be tucked out of sight, and a rubber magnet holds it in place. Supplies steady power to smart thermostats on systems with no common wire. Mounts in seconds with a rubber magnet that holds it in place. Simple installation can be done on your own or by a professional. Only needed in homes with no common wire. Schneider Home Smart Thermostat C‑Wire Adapter Quick Start Guide Safety insert Height: 21.5 mm Length: 53 mm Width: 52 mm Weight: 55 g Cable Length: 25 cm Mfr. Part Number: SAH232311 UPC or EAN No.: 3606488112241 Note: Products sold through this website that do not bear the Apple brand name are serviced and supported exclusively by their manufacturers in accordance with terms and conditions packaged with the products. Apple’s Limited Warranty does not apply to products that are not Apple branded, even if packaged or sold with Apple products. Please contact the manufacturer directly for technical support and customer service. Warranty: 2 years from manufacture date