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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
middle attenuation left and right earmuffs (SNR 28 DB) * 1 pair of packaging bag
● Built-in Li-ion battery
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battery (average life about 300 hours)
Safe and comfortable·Unique caster Technology
PH Detector Digital PH Tester Large LCD Display Precision PH Meter Water Quality Test Meter For Household Drinking Water, Aquarium, Swimming Pools(Yellow） Face Shields middle attenuation left and rightShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Features: Automatic Calibration: Automatic calibration: The product is a high precision product with an accuracy of 0. 01. During calibration, just put the instrument into the calibration solution. The instrument can automatically identify the calibration solution, which is more convenient than traditional manual calibration and saves your valuable time. Large Screen
