Description: The 3 in 1 solmeter test is simple and easy to use. Test your soil accurately and easily to determine if you need to adjust soil acidity. It can be inserted into the soil for monitoring, helping to reach the optimal level for crop growth. Lightweight, durable, mini size, easy to carry, best designed for potted plants. Features: [Monitoring] A professional pH tester is used to test pH, light and soil moisture to help achieve the optimal level for crop growth. [Eco-friendly] Battery is not required to operate this soil sensor nor any electricity, it is an environmentally friendly product for all plant lovers. [Easy to use] Plug it into the ground and read the chart, making it easier to care for your plants. [ Accuracy] The sensitive probe could detect changes in the soil and transfer the details to the driver, displaying the precise values for you. [Widely applicable] Ideal for garden, lawn, farm, indoor and outdoor Outdoor, soilless mixes and soil grown plants. Features: Color: dark green Material: ABS, copper aluminum alloy Style: casual Application: floor Occasion: home, outdoor Package size: 33 * 10 * 4 cm / 12.99 * 3.93 * 1.57 inch Package Weight: 110g / 0.24lb Package List: 1 * 3-in-1 Soil Test Note: 1. Please moisten the soil with water first, the probe should be inserted into the soil 2/3 of the depth (above 10cm/3.93in) so that the measurement result will be more precise. 2. When using, insert the electrode and do not touch the stone. Remember not to use too much force, otherwise it will easily damage the electrode. Please clean it in time after use. 3. Cannot be used in the ground for a long time to avoid damage. 4. This product only tests soil, etc. Not applicable to dry flour, pebbles, building blocks, sawdust, etc.