Starpower(TM) Series Dynamic Microphone Sealed Lead Acid Batteries Alarm excels at detecting smoke

Alarm excels at detecting smoke from flaming fires

VELCRO(R) strap

Large size improves reception

Energy-saving & whisper-quiet motor

VIBRATE call alert

Starpower(TM) Series Dynamic Microphone Sealed Lead Acid Batteries Alarm excels at detecting smokeAll purpose professional stage & recording microphone; Clear, transparent sound across spectrum with smooth bass, mid presence punch & crisp highs; Unidirectional cardioid pattern with superior feedback rejection; Rugged metal construction with internal shock mounting for maximum reliability & ultralow handling noise; Powerful neodymium element cuts through with accurate, distortion free sound in even the highest sound pressure level situations;