The DS-PDMCK-EG2-WE(B)(O-STD) wireless sensor from Hikvision detects the opening of doors and windows through magnetic contact and vibrations caused by attempted pushing. With a compact and aesthetic design, the sensor integrates perfectly into any environment. Configuration can be done quickly, directly from your smartphone, using the Hik-Connect mobile application, available for free on the Google Play store and the App Store. It is compatible with the AX PRO wireless alarm system, ensuring advanced protection for your property. Ideal for detecting suspicious activities and preventing intrusions, this device allows bidirectional wireless communication over a distance of up to 1.6 km in open spaces, using the 868 MHz frequency, but also has 2 wired inputs. The sensor is powered by a CR123A battery, included in the package. The battery life is approximately 3 years, if triggered a maximum of 20 times per day and if used in an environment above 10C. media only screen and (max-width: 768px) .tabcontent-description table td display: contents!important; .