Feature:   1. Data Display Mode: Support single number + meter display, multiple measurement data set display, optional real time curve display.     2. Multi Function Buttons: single point recording, start and stop recording, automatic alarm and alarm function, strong anti interference ability, high sensitivity and quick response speed.     3. Humanized Design: It is equipped with a large size LCD screen and embedded full color interface, which can query, record and display data in real time.     4. Large Capacity Storage: Optional data storage function, support 4MB data storage function, data can be exported to the computer through Excel, so that customers can print and edit Excel data by themselves.     5. Built& 8209;in Battery: 1PC 7.4V 2500mAh LD74250 Lithium Battery. Easy to use, plug and play.             Specification:            Item Type: Soil Tester  Material: Plastic+steel  Weight: Approx. 2233g / 78.8oz  Handheld Terminal Size: Approx. 20x10cm / 7.9x3.9in  5 Pin Sensor Size: Approx. 13.8x4.5cm / 5.4x1.8in  Battery Information: 1PC 7.4V 2500mAh LD74250 Lithium Battery (Built In Battery)  Test Object: Temperature Humidity + Conductivity + PH + Nitrogen, Phosphorus and Potassium  Voltage: 100-240V  Power Supply: 12V DC, 2500mA.H (Standard)  Display Mode: 2.8in LCD Display  Communication Method: USB (read, see DB9 interface description for details)  Data Storage: 4MB Storage (Standard Configuration)  Working Temperature: -20& 8451;-50& 8451;  Working Humidity: 0-90% (Relative Humidity), Non Condensing  Charging Time: ≤4H  Scope of Application: Used to measure soil temperature and humidity, electrical conductivity, pH, and N, P, and K values under ordinary natural soil.                             Package List:           1 x Handheld Terminal              1 x 5 Pin Sensor              1 x Power Adapter              1 x Power Cord              1 x Suitcase              1 x Manual