| Brand: | Google |
| Model Number: | GA05551-US |
| Product Name: | Nest Learning Thermostat (4th gen) with Nest Temperature Sensor (2nd gen) |
| Color: | Polished Silver |
| Product Height: | 1.1 inches |
| Product Width: | 3.9 inches |
| Product Depth: | 3.9 inches |
| Product Weight: | 0.36 pounds |
| Wire Configuration: | C-wire, 3-Wire |
| Wire Terminals: | W (heating), W2 (heating stage 2), Y (cooling), Y2 (cooling stage 2), Aux (auxiliary) |
| Power Source: | Hard wired, Battery-powered |
| Rechargeable Battery: | true |
| Battery Chemistry: | Lithium |
| Voltage Type: | Low voltage |
| App Compatible: | true |
| Compatible Product(s): | Heat pumps, Air conditioners, Radiators, Furnaces, Hot water systems |
| Compatible with 24V Cooling: | true |
| Compatible with 24V Heating: | true |
| Wireless Connectivity: | Wi-Fi, Bluetooth, Matter |
| Frequency Band: | 2.4 GHz, 5.0 GHz |
| Operating System Compatibility: | Android, Apple iOS, Mac, Windows |
| Works With: | Google Home, Amazon Alexa, Apple Home |
| Voice Assistant Built-in: | No |
| Programmable Period: | Learning |
| 24-Hour Programming: | true |
| Touch Screen: | false |
| Multi-Zone Control: | true |
| Auto-Away Mode: | true |
| Backlit: | true |
| Date/Time Display: | true |
| Remote Sensor Capable: | true |
| Number of Remote Sensors Included: | 1 |
| Outdoor Weather Sensor: | true |
| Motion Sensing: | true |
| Detector Type: | Temperature, Humidity, Motion |
| Energy Usage and History: | true |
| Furnace Filter Change Indicator: | false |
| Keypad Lock: | false |
| ENERGY STAR Certified: | true |
| Warranty - Parts: | 2 years |
| Warranty - Labor: | 2 years |
