Monitor your green plants effortlessly with the XIAO ESP32-C6-powered Soil Moisture Sensor! Running on a single AA battery, it offers ultra-low power efficiency for long-lasting operation. Seamlessly integrates with Home Assistant, keeping you connected to your soil's condition in real time. Smart, efficient, and reliable-perfect for plant lovers! Factory-Calibrated Plug-and-Play Operation: The sensor comes pre-calibrated from the factory, so it's ready for use right out of . Simply insert the sensor into the soil and receiving moisture status without the need for additional setup. Instant Readout Feature: A single short of the built-in button instantly wakes up the sensor and displays the current humidity level for 1 second, providing you real-time feedback at any moment. Anti- treatment that significantly extends its lifespan, even in moisture-rich conditions. Paired with a -etched graduated scale, it allows for accurate alignment with the diverse root depths of plants, ensuring tailored soil monitoring that meets the needs of every green space. Comprehensive Three-Level Soil Moisture Monitoring and Alert System: Normal: Indicates that the soil moisture is optimal, meaning no additional watering is required. Almost Dry: Signals that the soil moisture is beginning to decline, suggesting you prepare to water soon. Dry: Shows that the soil moisture is critically low, indicating an immediate need for watering. Specification: MCU: XIAO ESP32-C6 Button functions: Detection Status, Calibration Process RGB LED Green: Normal Status Yellow: Almost Dry Status Red: Dry Status Communication: Wi-Fi 2.4GHz Power Supply:1 x AA Battery Color:Black Material:plastic Package Contents: 1 * Soil Moisture Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.