Cellular Alarm Contact Sensor & Power Outage Monitoring

Cellular alarm contact sensor with power monitoring allows you to monitor any doors, windows, gates, trailer, boat, mailbox and many more. Get notified via SMS or email when the sensor is triggered or when power loss is detected. * Cellular Alarm Contact Sensor * Configuration-free device. Simply power the device and install the app. * Every alert sent through the sensor is encrypted and secure. * Simple to use | Secure | No WiFi required | Operates over cellular network * No contract | No activation or cancellation fees * Unlimited SMS and email alerts * 30-day Hassle Free Guarantee * Android Play Store App * Apple iOS Store App * $10.00 a month (prepaid annual) or $13.00 a month (paid monthly) * Internal battery that can last 48 hours * Includes one magnetic contact sensor and 8 foot cable