Nest Learning Thermostat 1st Generation no box

Please note scratch shown in pics Nest Learning Thermostat 1st Generation Compatibility: Works with 95% of low-voltage heating and cooling systems, including advanced configurations like dual fuel and whole-home humidifiers. Learning Capabilities: Learns user temperature preferences and automatically adjusts settings to save energy. Energy Savings: Studies suggest it can save an average of 10-12% on heating bills and 15% on cooling bills. Remote Control: Can be controlled remotely via smartphone, tablet, or laptop. Installation: Designed for easy installation, often within 30 minutes superb for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.