MYSA - V1 - 1 Smart Thermostat for baseboard heaters. 120 or 240 volts. Type IPXO. Often top pick in consumer evaluations for smart thermostats. Just need to register and download the app. Plain face screen will light up when powered up. Retail value is about $150 depending on supplier. Asking $50. Return within 10 days for full refund if not satisfied.