Perfectly suited for installation in corridors, server rooms, hotel lobbies and apartment buildings where Fast detection and dual sensory warnings are essential for safe evacuation The alarm offers dual voltage matching (DC 12V/24V) with highly sensitive detection, providing LED alerts and warnings for a reliable response to emergency situations Featuring ABS construction and an energy-efficient design, this alarm combines a durable housing with low power consumption while maintaining visual appeal thanks to the bright red LED indicators Ideal for homeowners, property managers, and commercial facility operators Looking for a complete alert solution for residential complexes, offices, and hospitality settings Designed with tool-free mounting brackets and universal voltage compatibility, this alarm ensures deployment on electrical systems without professional assistance Features: Product Name: 12-24V Sound and Light Alarm. Component: ABS. Dimensions: Approx. 13.3 x 11.4 x 5 cm.