| MDM not enabled | Yes |
|---|---|
| Unit Type | Unit |
| Computrace Unlocked | Yes |
| UPC | 842861111064 |
| Bios Unlocked | Yes |
| MPN | 4SD1SZ-0EN0 |
| Country of Origin | China |
| Item Weight | 0.5 lb |
| 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 NEW SEALED. Color: White, Condition: New, Made in China. Listed at 9.99 USD. The Ring Alarm Contact Sensor (2nd Gen) is a white, battery-operated door sensor that is easy to install and use. It features wireless operation, a 130 dB operating sound rating, and is made of plastic material. This unit is compact, with a diameter of 2.5 inches and weighs only 0.5 lbs, making it a convenient addition to any home security system. The sensor has been unlocked and does not require any tools for installation, providing peace of mind for personal safety and security.