Feature: 1. HIGH ACCURACY SENSOR: Equipped with a high accuracy sensor, it can measure the PH value, humidity, nutrients and temperature data of the soil. 2. CONVENIENT AND EASY TO CARRY: This soil tester features a compact design that is easy to carry and store for indoor and outdoor use. 3. BT: The data can be transmitted to the accompanying APP via BT to realize the monitoring and recording of data from time to time. 4. WIDELY APPLIED: It is suitable for hydroponics, soil cultivation, vegetable and flower cultivation and horticultural research, etc. to improve cultivation efficiency. 5. EASY TO USE: Soil tester is easy to use, no need to adjust often, easy and convenient to operate, suitable for beginners and professional gardening enthusiasts. Specification: Item Type: Soil Tester Material: ABS, Stainless Steel Weight: Approx. 240g / 8.5oz Product Length: 28cm / 11in Probe Length: 13.5cm / 5.3in Range: EC: 0-19900us/cm, 0-199.0 ms/cm TDS: 0-19900ppm, 0-199.0ppt CF: 0-1990.0CF Temperature: 0°C-50°C (32°F-122°F) Resolution: EC: 1us/cm (<1999us/cm) 10us/cm (>1999us/cm) 0.1ms/cm TDS: 1ppm (<1999ppm) 10ppm (>1999ppm) 0.1 ppt CF: 1CF Temperature: 0.1°C (0.2°F) Accuracy: EC, TDS, CF: ±2%F.S, Temperature: ±1.0°C Battery: 4×1.5V (AG 13) Button Cell Battery (Excluded) Temperature Compensation: 0°C-50°C Operating Temperature: 0°C-50°C. Package List: 1 x Soil Tester1 x Instruction Manual1 x Storage Tube