The XG-DS021 Wireless Entry Sensor is a sleek, energy-efficient security device designed to reliably monitor the opening and closing of doors, windows, and cabinets. With ultra-low standby power consumption of just 1μA, it is perfectly optimized for long-term, maintenance-free operation. Operating on the 433MHz frequency (eV1527 protocol), the XG-DS021 ensures stable wireless communication with compatible alarm systems. The two-piece magnetic trigger system offers accurate detection of entry events, sending immediate alerts to security panels or mobile apps. Its compact size and minimal footprint allow for discreet installation without disrupting the aesthetics of homes, offices, or retail spaces. Powered by a single CR2032 battery, the sensor also includes a low battery alert feature to ensure continuous monitoring. Overall, the XG-DS021 is a durable, discreet, and energy-saving solution for enhancing door and window security across various indoor environments.