| MPN | 4SD1SZ-0EN0 |
|---|---|
| UPC | 842861111064 |
| Brand | Ring |
| Type | Door Sensor |
| Power Source | Battery |
| Color | White |
| Item Diameter | 2.5 in |
| Features | Wireless, Battery-Operated, No Tools Required |
| Material | Plastic |
| Operating Sound Rating | 130 dB |
Check the listing for details. Ring Alarm Contact Sensor (2nd Gen) 1-Pack - White. Color: White, Condition: New. Listed at 19.95 USD. Requires Ring Alarm Security Kit (Gen 2). Requires the Ring Alarm Base Station. KEY FEATURES. Includes two 3V CR2032 batteries.