4 in 1 Water Quality Test Pen PH Salinity Meter Thermometer LongTerm Online Monitor for Fish Tank

Feature: 1. The water quality control device can be easily hung in the fish tank by fixing it on the wall through the attached bracket or through the hanging hole. 2. It is also equipped with 2 suction cups, which can fix the electrode on the wall of the fish tank. 3. 3 LCD displays with white backlight can clearly display pH, salinity, humidity and temperature. 4. Reliable quality, intelligent chip, high?sensitivity electrode probe, can measure quickly and accurately. 5. The shell is made of high-quality ABS material, wear-resistant and durable, not easy to damage. Specification: Item Type: Water Quality Monitor Material: ABS Weight: Approx. 640g/22.6oz PH Value: 0.00-14.00pH Temperature: -50-70 celsius (-58-158 Fahrenheit ) Relative Humidity: 10percent -99percent RH Salinity: 0-199.9ppt Resolution: PH value: 0.01pH Temperature: 0.1 celsius (0.2 Fahrenheit ) Relative Humidity: 1percent RH Salinity: 0.1ppt Accuracy: PH value: +/-0.1pH Temperature: +/-1 celsius (+/-2 Fahrenheit ) Relative Humidity: 5percent RH Salinity: +/-2percent FS Temperature Compensation: 0-50 celsius Working Temperature: 0-50 celsius Battery Information: 110mAh 6V Ni-MH Battery (Can use power adapter) . Package List: 1 x Water Quality Monitor2 x Probe1 x Mini Screwdriver1 x Power Cord1 x Bracket2 x Suction Cup1 X Instruction