Feature 1.Durable in use 2.Complete full set 3.3 in 1 soil meter 4.Widely application Soil meter Specifications Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet) Relative Light: 0-2000 lux (0-200 Low, 200-500 Low+, 500-1000 Nor, 1000-2000 Hgh) pH Range: 3.5-8 pH (3.5-6.5 Acid, 7-8 Alkaline) Product Size: 10.6\"x2.4\" Probe length: 7.8 inches Weight:260g(10pcs) Color:Green Package content 1 Soil meter 3 Leaf Trimmer 1 Folding Scissor 1 Rake with Spatula 1 Long Spade 1 Wide Spade 2 Stainless Steel Tweezers Soil meter Operation Step 1: Switch position. Step 2: Insert the probe into the soil about 2-4 inches. Step 3: Adjust the position of the probe until the pointer on the dial swing slightly. Step 4: After 10 minutes, Note moisture/pH/light level in the dial. Step 5: Remove probe from soil and wipe clean after each use. Note Please allow slight dimension difference due to different manual measurement.