Digital Persina UR4500 Door Sensor

• The Digital Persina UR4500 is a wireless door/window contact sensor designed for basic security systems. • It operates on a 433MHz frequency, commonly used in many alarm systems for reliable communication. • The sensor uses a magnetic contact to detect when a door or window is opened or closed. • It is powered by a standard AAA battery, offering extended operational life. • Installation is typically straightforward with adhesive backing, no complex wiring required. • This model is suitable for entry-level home or small office security setups. • Brand new condition, ready for integration into a compatible alarm panel.