Alarm Contact Sensor Two Pack Second Gen For Doors And Windows With Instant Mobile Alerts Approximately Three Year Battery Life Slim Design Easy Installation No Tools Required Mounts To Door And Window Frames Includes CR2032 Batteries

Slim home alarm contact sensor 2-pack, 2nd gen
✔️ 2-pack, 2nd Gen, instant door/window alerts, CR2032s included

This compact door and window sensor adds instant alerts to your home security setup and mounts easily on door or window frames. It’s designed for spaces where size matters and placement options are key.

✅ Includes two 3V CR2032 batteries for immediate use
✅ 2-pack for protecting multiple entry points
✅ Slim, low-profile design for discreet mounting on frames
✅ Easy no-tools installation that clips onto door or window frames
✅ Requires a compatible alarm base station to send alerts
✅ Approximate 3-year battery life under typical use

💡 What is a door contact sensor used for in a home security system and how does it work?

In short, it's a handy device that detects door or window openings and triggers alerts.

• Handy for monitoring entry points and triggering real-time alerts
• Integrates with a central hub to run automations and push notifications
• Helps you keep tabs on activity from your phone while away
• Low-profile design makes placement discreet