3 in 1 Multi-Function - Using our soil meter to test soil moisture, sunshine level and plant pH helps you accurately grasp time and water quantity you need to water the plants. Fast and Reliable - Dual-needle sensing technology greatly improves the speed and accuracy of soil moisture detection and analysis and pH acidity, sensitively detects changes in soil Easy to use and carry - No batteries required, simply insert the sensor probe into approximately 2-4 inches of soil and operate the switch to get moisture, pH and sunlight test results. Large and clear dial, including ten graduations, plug and read Widely applicable plant accessories - The digital ph tester is suitable for home garden breeding, rice planting, vegetable planting , forest planting, succulent soil, potted plants, flower planting, greenhouse planting, garden planting, soil testing, etc., to meet all your needs for soil testing Important Tips - 1. Do not use a moisture meter to test very hard soil; 2. Do not use a soil meter to test water or other liquids; 3. After using the water meter, please wipe the probe clean, do not affect the accuracy of the next use.