Jellas Pocket Size pH Meter Digital Water Quality Tester for Household Drinking Water, Swimming Pools, Aquariums, Hydroponics, pH Measurement for 0-14.0 pH, ± 0.1 Accuracy, 0.1 Resolution.(Yellow) B00YBUH4RC
Jellas CS001 Cordless Screwdriver (DJI Case) B0146EJUYM
Moisture Meter, Jellas Digital Wood Moisture Tester with 4 Pins High Sensitive Measure Probe for Wood, Bamboo, Sheetrock and Carpets (Thermometer) B01BSFD840