Condition:100% Brand New Item Type: Water Quality Tester Weight Range: ph: 0.00-14.00 TEMP: -50-70 RH: 10%RH-99%RH CF: 0.0-199.9CF TDS: 10-19990ppm Measurement Accuracy: ph: 0.1ph TEMP: 1 RH: 5%RH EC, CF, TDS: 2%F.S Measurement Resolution: PH: 0.01PH TEMP: 0.1 RH: 1%RH EC: 0.01EC TDS: 10ppm Working Temperature: 0C-50 Compensation Temperature: 0C-50 Power Supply Mode: Built-in battery (110 x 2mAh) Package List 1 x Water Quality Tester 1 x Power Adapter 1 x BNC Cable 1 x Temperature Probe Cable 2 x Transparent Suction Cup 1 x Screwdriver 1 x Plastic Buckle 1 x Manual 1This product has excellent workmanship and very precise measurement. 2This product has a wide range of applications and is suitable for multiple occasion. 3This product has complete accessories, 6in1 functions, and is very practical and convenient. 4This product has a moderate volume, making it easy to carry around. 5Features with wall& 8209;mounted design, it is easy to install and operate.