Product Material: ABS + stainless steelColor: greenSize: 13.2 * 2.5cmQuantity: 3 piecesPackage Contents: 3 * Smart Soil Moisture Meter1.Real-time sensor: Intelligent plant sensor that provides accurate real-time readings for sunlight moisture temperature and soil fertility.2.FertilityEC sensor It accurately detects soil nutrients has 4 EC sensors that capture soil nutrients and transform it to be precisely displayed on a smartphone. The database provides perfect nutrient interval values for different plants. 3.Temperature / light: The Flower Care plant sensor plant monitor has a precise professional temperature / light sensor that allows you to monitor and analyse sunlight and temperature. A measurable light intensity of up to 100 000 lux. The accuracy of the intensity can be up to 100 lux. The accuracy of the temperature can go up to 0.5 C.4.4-in-1 flower care monitor: Grow Care Home - monitors light temperature moisture and nutrients find your plant in the extensive database of over 6 000 plants and save the daily growth record in the app for iOS or Android via a Bluetooth connection that allows you to grow plants and flowers better.5.Easy setting: The connection to the smartphone is made via a highly efficient Bluetooth 4.1. Full control of the app for Android and iOS available in Google Play and App It works with the CR2032 button cell (included).