The Hikvision DS-PS1-E-WE is a wireless external sounder with a red beacon, designed to alert you visually and audibly in case of a security breach. With a loud 110dB siren and a bright red LED light, it ensures immediate attention during an alarm. The device communicates wirelessly with the Hikvision AX-PRO control panel and is battery-operated for easy installation. Built to withstand harsh outdoor conditions, it is IP65-rated for water and dust resistance, ensuring reliable performance.