# Ring Wireless Alarm Door and Window Contact Sensors, Smart Home Enabled, White

**Brand:** [Ring](https://shop.coreranger.com/brands/Ring)
**SKU:** 4SD2SZ-0EN0
**Price:** $29.98 · in stock
**URL:** https://shop.coreranger.com/product/ring-wireless-alarm-door-and-window-contact-sensors-smart-home-enabled-white-312689491

## Specifications

| Spec | Value |
|---|---|
| Model # | 4SD2SZ-0EN0 |
| Features | Audio Alert,Indicator Light |
| Included | Batteries |
| Pack Size | 2 |
| Internet # | 312689491 |
| Returnable | 90-Day |
| Smart Home | Smart Home Enabled |
| Works With | Alexa, Ring |
| Store SKU # | 1005191353 |
| Color Family | White |
| Connectivity | Wireless (Wireless Network Transmission) |
| Hub Required | Proprietary Hub |
| Power Source | Battery Operated |
| Power Options | Battery |
| Remote Access | Remote Access |
| Requires Hub? | Requires Smart Hub |
| Indoor/Outdoor | Indoor |
| Sensor Location | Door,Window |
| Sensor Recognition | Motion |
| Decibel Rating (dB) | 0 dB |
| Product Depth (in.) | 0.55 in |
| Product Width (in.) | 2.09 in |
| Smart Home Protocol | Z-Wave |
| Product Height (in.) | 1.56 in |
| Manufacturer Warranty | 1 Year Limited Warranty and Service included |
| Transmission Range (ft.) | 250 ft |
| Voice Control Hub Required | No Voice Control |

## Description

Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you'll always be the first to know when something's ajar.

• 2pk Contact Sensor for the Ring Alarm Security Kit
• Triggers Alarm when someone tampers with Contact Sensors*
• Easy installation, mounts to doors and window frames