| Power Source | Battery |
|---|---|
| Item Diameter | 2.5 in |
| Color | White |
| Material | Plastic |
| MPN | CS2 |
| Item Length | 2 in |
| Brand | Ring |
| Type | Anti-Theft |
| Unit Type | Unit |
| Item Height | 0.5 in |
| Features | Battery-Operated, No Tools Required |
| Item Weight | 0.5 lb |
| Operating Sound Rating | 130 dB |
| Item Width | 1.5 in |
Check the listing for details. RING Contact Sensor For Window & Door. Color: White, Condition: Used. Listed at 6.99 USD. The RING Contact Sensor is a battery-operated anti-theft device designed for windows and doors. Made of white plastic, this unit features a 130 dB operating sound rating and requires no tools for installation. With a compact size of 2.5 inches in diameter and 2 inches in length, this device is lightweight at 0.5 lbs and ideal for personal home security improvement.