Caution: color: we send according to the color of the first picture, in the package: if the quantity is not stated in the , we will shlp the item according to the quantity and model in the title. Ph meters 4 in 1 soil ph meter the product is shlpped based on the color or size of the main image of the product page. 4 in 1 soil ph meter product color: shown in the first picture product with product datacharacteristic:the four-in-one electronic soil analyzer is the latest soil speed measuring instrument. It is mainly used to test the soil ph, humidity, temperature with light intensity of plants, with uses 9v carbon batteries not included . This instrument uses liquid crystal display measurement parameters. The instrument also has a low battery indicator with automatic shutdown function. Save time with energy, with high efficiency. The instrument is suitable for planting flowers with plants with greening gardens.Specification:1. Measure the light intensity of the current environmentlow-, low, low +, nor-, nor, nor +, hgh-, hgh, hgh +2. Measure soil moisture content dry +, dry, nor, wet, wet +3. Measure the temperature of the floor. The temperature measurement range is -9 + 50??c 16122??f . Accuracy: 1??c 4. Soil ph measurement, ph measurement range: 3.5-9.0Range:working temperature: + 5??c + 40??c.Size: 340mm * 63mm * 36mmprobe length: 200 mmweight: 200 gramswidescreen lcd user interfacefunction to convert temperature indicatorslow battery alarm functionenergy-saving automatic shutdown function, 5 minutes of no operation, automatic shutdowneasy to use with easy to carrypower supply: 9v battery not included in the scope of supply the in parcel:1x soil ph meter1 x english user manualinstructions:1. Before use, insert the battery with remove the protective cover of the probe1. Meteringa. Press the on button to turn on the instrumentb. The windowhavethe highest point light source light sensor.C. The current light intensity is displayed on the lcd.Note: do not block the light or light sensor to form a shadow2. Measure the ph rangeanswer: the back of the ph/c button is located on phposition.B. To insert the probe into the soil, test as soon as possible.C. Press the [on button to start measurement.D. The test ph value is displayed on the lcd screene. Measure multiple times to obtain accurate values. Danger:1. A probe perpendicular to the middle of the edge of the plant stem.2. Please gently press the floor to avoid damaging the probe.3. If the soil measurement value is too dry or fertile, the ph value cannot be accurately measured. Half an hour after the measurement, the user can spray water again3. Moisture measurementa. Move the back of the ph/c button to position c.B. Insert the soil as vertically as possible.C. Press ok to start measurementd. The soil moisture value is displayed on the lcd screen.E. Measure multiple times to obtain accurate values.4. Temperature measurement; Answer: when measuring the humidity, the floor temperature will be displayed on the lcd screen at the same time.B. Press the [c / fahrenheitoff] button to set the humidity to fahrenheit or celsius.Please note that if the user does not insert the probe into the ground, it indicates that the space temperature is accurate. Caution: size: because the size is manually measured, there may be an error of 1-2cm. Please understand.