This device is only suitable for testing soil, which can meet the soil testing work of gardening and planting sites. It can assist in the comprehensive care of flowers and plants. For example: greenhouse planting, orchard nursery, horticultural planting, potted planting, etc.. (1) Using a large-screen LCD, one screen with multiple, display interfaces. (2) LCD backlight auxiliary lighting for easy reading. (3) Celsius and Fahrenheit display conversion. (4) If there is no operation on the interface for , it shut down to save power automatically. 5 in 1 Soil Tester Fertility Moisture Temp Sunlight PH Meter Plant Measuring Instrument for Flower Plants Garden Greenhouse Product Name: Digital Display Soil Detector Executive standard:CE/ROHS Power supply: 3 AAA alkaline batteries(not included) Measuring functions: Fertility/Moisture/PH/Temp/Sunlight Function range: Fertility: Low, Normal, High Moisture: 0-90% PH:3-9 Temp:0-60°C (32°F-140°F) Sunlight: Low-,Low, Normal, High,High+ Steps for usage: (1) Please install the battery before use, clean up the debris and compact it. (2) Please the power button and insert the probe into the soil to be tested. The insertion depth is two-thirds of the total length of the probe. (3) Please the "MEAS" button, the screen willflash for 8 seconds, and the reading can be taken after the measurement is completed. (4) After measurement, please clean the probe and instrument in time and store them away. Color: Black Material: ABS Package Contents: 1 * Soil Tester Only the above package content, other products are not included. Note: Light reflection 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.