4 in 1 Soil Tester provides precise measurement of soil light, temperature, and other key levels to optimize the plant growth environment. No batteries required. The user friendly design works without replacements, and it is suitable for all soil types. Built with metal components for durability and reliability. Suitable for use in homes, gardens, farmlands, greenhouses, potted plants, and research laboratories, ensuring the conditions for every planting scenario. Offers clear readings that help you make better watering, shading, and placement decisions to promote healthy, thriving plants. Durable and reliable construction combines metal components for long lasting performance. Use scenarios Home garden and potted plants: monitor soil conditions to adjust watering and light exposure for healthy growth. Greenhouse or farmland: track soil metrics across crops to optimize irrigation and overall plant performance. Research laboratory: perform controlled soil analyses as part of experiments or studies.