Abundant Quantity: you will receive 4 pieces of moisture meters for house plants, beautifully made; Abundant enough to meet your daily gardening needs, and you can share them with your gardening loving partners 3 In 1 Function: this pH soil tester for garden soil is equipped with a 3 in 1 function for testing soil moisture, pH, and plant sunlight levels; Ideal for growers and helps to take better care of plants Practical Design: the soil moisture monitor measures approximately 10.08 x 2.36 inches/ 25.6 x 6 cm and is suitable for most plants, even large potted plants; The long probe allows for deeper soil moisture detection and the clear dial display is suitable for all ages Easy to Use: this plant moisture meter does not require batteries or electricity, just insert the sensor probe into the soil about 2-4 inches, toggle the switch to test the moisture, pH, sunlight you want to measure, then wait a few minutes until the pointer stops swinging, and you get a stable reading on the dial; If the plant is very dry, the soil pointer of the soil pH meter will not swing, which means your plant needs moisture Ideal Tool for Gardeners: the soil pH tester enables gardeners to better understand the soil for plants, control pH levels and determine if plants are getting enough light, enabling gardeners to better nurture plants