Gain Express

Watt Power Meter Plug-in Socket Power Meter, Home Electrical Usage Monitor Consumption, Kilowatt Wattage Voltage AMP Tester with Backlight Overload Protection

$22.90

Digital Salinity & Temperature Meter with ATC, Handheld Pen Type Water Quality Measurement Monitor Tester, 0~70 PPT, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing

$28.90

Handheld Digital Humidity & Temperature Meter 0~100% RH/ -30~70°C (-22~158°F) LCD Display Backlight Moisture Thermo Hygrometer Thermometer Small Tester Gauge for Home Kitchen Indoor Outdoor

-4% $20.90

Digital Level Angle Gauge Meter Magnetic Electronic Level Angle Finder Protractor Inclinometer Bevel Gauge Woodworking Tools for Construction, Woodworking and Machinery

$34.99

Hydrogen Sulfide Detector H2S Gas Detector Monitor Meter Portable Sound and Flash Alarm h2s Gas Monitor 0~100ppm Electrochemical H2S Sensor with Clip and LCD Screen Backlight

-5% $51.79

Hydrogen Sulfide Detector H2S Monitor 0~100ppm Electrochemical H2S Sensor LED Alarm with LCD Screen Backlight Portable Tester

$51.79