ALC Wireless Connect Plus Indoor Security Siren & LED Light White

Scare off an intruder with this extremely loud 105-decibel audio alarm and flashing red LED (light emitting diode). Compatible with other parts of the ALC Wireless Connect Plus security system, and the control hub to trigger when there is a breach to a window, door, or motion detector while system is armed. Includes a mounting bracket for easy placement. Frequency: 916 MHz. Powered by 5V AC adapter (included), or (4) AA batteries (not included). 4.8 In. x 4.3 In. x 6.3 In.