The SimpliSafe Extra Siren 105dB Security System SSWS3 is a wireless home surveillance device that operates on a 12V voltage. This siren, designed by SimpliSafe, emits a loud 105 dB operating sound rating to act as a powerful deterrent against potential intruders. It comes in a sleek white color and includes an alarm unit for added security measures. This model is specifically designed for use in a single-zone setting and is easy to install and operate, making it a reliable choice for enhancing your home surveillance system.