ELECTRICAL RANGE: 230V AC
FREQUENCY RANGE: 50Hz
POWER CONSUMPTION: ABOUT 0.8W
SOUND PRESSURE: MAX 75dB
SOUND FREQUENCY: 15000-18000Hz
RADIATION ANGLE: 120°
EFFECTIVE AREA: 15-20² METER (150-200² FEET)
MODEL NO.: ST-22
PACKING DIMENSION: L13.8cm x W5.3cm x H20.5cm
WEIGHT: 0.14KG