Features:Stylish Appearance:Lightweight, mainly made of ABS (housing) and FR4 CCL (testing slice), durable, mini size, easy to carry, better designed for potted plants. Real-time Monitoring, Plug and Play:Just insert the soil tester into the bottom of the plant root and wait a few seconds for the results to be clearly displayed. It can be inserted in the soil for real-time monitoring, letting you know when to water and help the plant to thrive. One-button Detection:Simple operation, one-button detection, two intelligent modes, and three detection types help you to detect plant growth more easily. Before the first time using, you need to open the battery of lid on the top and pull put the internal plastic sheet. Special Plant Maintence Instruction:Order to better use the soil test kit, we have provided you with special plant maintenance instructions to help you better care for your plant health.Let our soil tester be a small potted partner! Light Color/ Soil Moisture/ Planting Advice:Red light, 0%~15%, Le moisture; Green light, 16%~60%, Suitable moisture; Blue light, 61%~100%, More moisture. Specifications:Material:ABS (housing) and FR4 CCL (testing slice) Color:White Working Voltage:3V Working Current:10uA Battery:1 * 3V 225mAh CR2032 button cell (included) Rated Power:0.03W --How to Use:Step 1:Before the first use,open the lid on the top and pull out the internal plastic sheet. Step 2:Insert the sensor of the soil tester into the soil. Step 3:Click the power button. Step 4:Wait and use the light color to identify the moisture is le or more. Item Size:13.1 * 2.51 * 1.09cm / 5.16 * 0.99 * 0.43inch Item Weight:14.9g / 0.53oz Package Size:22.2 * 6 * 1.2cm / 8.74 * 2.36 * 0.47inch Package Weight:19.8g / 0.7oz Package List:1 * Soil Moisture Meter 1 * Special Plant Maintence Instruction 1 * User Manual (English)