5 in 1 Pen Meter PH EC TDS Salinity Temp LCD Digital Water Quality Monitor Test For 40mm Apple Watch (Protects seat from dirt

(Protects seat from dirt

Signal-to-noise ratio@0dB (CC1R/ARM): >=90dB

*USB Output Voltage: DC 5V

Fits for most 9-13MM and 18-22MM tactical firearms with or without rail slots

5 in 1 Pen Meter PH EC TDS Salinity Temp LCD Digital Water Quality Monitor Test For 40mm Apple Watch (Protects seat from dirt5 in 1 Pen Meter PH EC TDS Salinity Temp LCD Digital Water Quality Monitor Test Descriptions: 5 in 1 Multi Function Water Quality Tester which can measure pH, TDS, EC, Salinity and Temperature in Solution. Perfect for Testing Drinking Water pH Level, Swimming Pools, Aquariums, Hydroponics ect, comes with a Backlit Digital Display that will Automatically Shut off after 5 minutes, has Auto Temperature Compensation and has a Waterproof Grade of IP67