The CS12FTHSR050 is a Viking 12-Button Firefighter Handset that is designed for use in fireground applications. The handset is constructed with a rugged, non-skid base, and is built to withstand extreme temperatures and harsh environments. The CS12FTHSR050 features a built-in amplified speaker that delivers up to 2 watts of loud, clear sound. It also includes 12 large, discrete control buttons with LED backlights for easy identification even in low-light or smokey conditions. The CS12FTHSR050 is compatible with JPS and Viking signaling systems.