THIS R8070SD HAS TRIPLE RANGE MEASUREMENT AND FEATURES DATA HOLD MAX/MIN FUNCTIONS AND AN EASY-TO-READ BACKLIT LCD DISPLAY. USING A SD CARD (MAX 16GB) A USER CAN MANUALLY RECORD UP TO 99 READINGS OR AUTOMATICALLY BY SELECTING A DESIRED SAMPLING RATE FROM 1 TO 3600 SECONDS. QUICKLY GENERATE AN EXCEL FILE WITH RAW DATA ALL WITHOUT THE USE OF SOFTWARE. OPTIONAL ACCESSORIES INCLUDE A TRIPOD AND AC ADAPTER FOR CONTINUOUS LONG-TERM MONITORING. FEATURES UL STYLE""MARGIN-TOP 0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" HIGH ACCURACY OF plus or minus1.0DB TO 1KHZ MEETS TYPE 2 STANDARDS TRIPLE RANGE MEASUREMENT (50DB DYNAMIC RANGE) A & C FREQUENCY WEIGHTING FAST & SLOW TIME WEIGHTING REAL-TIME DATA LOGGER WITH INTEGRATED SD MEMORY CARD USER SELECTABLE SAMPLING RATE FROM 1 TO 3600 SECONDS PEAK HOLD DATA HOLD AND MIN/MAX HOLD EASY-TO-READ BACKLIT LCD DISPLAY TRIPOD MOUNT FOR LONG-TERM MONITORING LOW BATTERY INDICATOR AND AUTO SHUT OFF MEASURING RANGES UL STYLE""MARGIN-TOP 0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 30 TO 130DB LOW 30 TO 80DB MED 50 TO 100DB HIGH 80 TO 130DB FULL 30 TO 130DB ACCURACY UL STYLE""MARGIN-TOP 0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 31.5HZ plus or minus3.0DB 63HZ plus or minus2.0DB 125HZ plus or minus1.5DB 250HZ plus or minus1.5DB 500HZ plus or minus1.5DB 1KHZ plus or minus1.0DB 2KHZ plus or minus2.0DB 4KHZ plus or minus3.0DB 8KHZ plus or minus5.0DB PACKAGE CONTENTS UL STYLE""MARGIN-TOP 0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" DATA LOGGING SOUND LEVEL METER WINDSHIELD BALL SOFT CARRYING CASE BATTERIES