Specifications
| General | |
| Manufacturer | Ring |
| Manufacturer Product No. |
4SF1S8-0EN0 - Each 4SF2S9-0EN0 - 2-Pack |
| UPC |
842861103229 - Each 842861105711 - 2-Pack |
| Dimensions | 2.95 in. Diameter; 1.06 in. Height (7.5 cm. Diameter; 2.7 cm. Height) |
| Color | White |
| Power | 3V Lithium Battery Included |
| Battery Life | Max 3 Years |
| Connectivity | Z-Wave (250-foot range to Base Station) |
| Operating Conditions | 32°F to 120°F (0°C to 49°C) |
| Setup Requirements | Ring Alarm Security Kit (sold separately) and an existing Smoke/CO Alarm |
| Warranty | 1 year limited warranty |