THE TRIPLETT TSC-MC1 SONICHEK IS A COMPACT SOUND LEVEL METER WITH 40 TO 130DB MEASUREMENT RANGE WITH C WEIGHTING AND A FAST RESPONSE TIME. ITS HANDSIZED DESIGN WITH RUBBERIZED OVERMOLDED HOUSING PROVIDES IMPACT AND DROP RESISTANCE IN A SLEEK ERGONOMIC DESIGN. FEATURES INCLUDE A LARGE AUTO BACKLIT LCD DISPLAY MIN/MAX AUTO POWER OFF AND TRIPOD MOUNT. THE C WEIGHTING MAKES THE SONICHEK IDEAL FOR TESTING SOUND LEVELS IN HOME THEATERS MUSIC PERFORMANCES CAR AUDIO AND OTHER AREAS REQUIRING A BROAD FREQUENCY RESPONSE. INCLUDES WINDSCREEN AND 9V BATTERY. 3 YEAR WARRANTY.