Window/Door Open Sensor RS-3215 for Immediate Security Alerts

The opening sensor is a compact device that can be attached to any opening surface. The sensor reacts instantly to the opening of the door or window on which it is mounted and sends an alert to a smartphone. The products are designed for the following operating conditions, unless otherwise stated in the product-specific data sheet: <ul> <li>- altitude above sea level not more than 2000 m;</li> <li>ambient air temperature from 0°C to plus 40°C;</li> <li>atmospheric pressure from 84 to 106 kPa;</li> <li>relative air humidity not more than 90 per cent at temperature plus 25°?, without condensation.</li> </ul>2 Warranty period of operation 12 months from the date of shipment