Test category: fruits, vegetables, meatPortable and compact: The compact and device is small enough to fit into your pocket or it's easy to take you in your bag whether you go.Easy-to-use interface: high-resolution color display provides an easy-to-use interface with our unique and intuitive test software that allows you to quickly view quality and safe fruits, vegetables and meat.Fast and accurate results: shows your nitrate test results in less than 10% in just 3 seconds.Separate test probes: Single test probes are easy to insert into fruits, vegetables and meat for nitrate levels without compromising your food.Nitrate measurement range: 0-9999 mg / kg;Measurement time: ~3 seconds;Color: greenMaterial: ABSMeasurement error range: Less than 10%;Power supply: lithium ion battery;Battery capacity: 720 mAh;USB charging current: 310 mA;Power supply voltage range: 5 V;Use for up to 20 hours;Size: 12.2*6.2*1.4cmWeight: 282 grams.TFT color screen resolution: 320240;Operating temperature: 0- + 60 .Package Including1* Safety Tester ToolOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.