Feature: 1. Excellent workmanship, complete accessories, accurate measurement. 2. Wide range of use, suitable for multiple occasion such as laboratory, swimming pool, rice fields. 3. Multi‑function, 7 in 1 detection function, easy to carry. 4. Easy to install, probes are placed in the fish tank water, the display is fixed outside the fish tank, and the power can be connected. 5. Can measure a variety of data including PH, EC, CF, TDS, OPR, etc. 6. High‑precision probe, corrosion resistance, long service life, good repeatability, fast responses, and more stable data. Specification: Condition: 100% Brand New Item Type: Water Quality Tester Material: Plastic Weight Measurement Range: PH: 0.00-14.00, TEMP: -50°C-70°C, RH: 10%RH-99%RH, CF: 0.0-199.9CF, TDS: 10-19990ppm, OPR: 0-±1999MV Measurement Accuracy: PH: ±0.1ph, TEMP: ±1℃ RH: 5%RH, EC, CF, TDS: ±2%F.S, ORP: 5MV Measurement Resolution: PH: 0.01PH, TEMP: 0.1℃, RH: 1%RH, EC: 0.01EC, TDS: 10ppm, ORP: 1MV Working Temperature: 0C-50℃ Compensation Temperature: 0C-50℃ Power Supply Mode: Built-in battery (110*2mAh) US Plug Voltage and Current: 110V 60HZ EU Plug Voltage and Current: 220V 50HZ. Package List: 1 x Water Quality Tester1 x Power Adapter2 x BNC Cable1 x Temperature Probe Cable2 x Transparent Suction Cup1 x Screwdriver1 x Plastic Buckle1 x Manual