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 the box. Simply insert the sensor into the soil and start receiving moisture status without the need for additional setup. Instant Readout Feature: A single short press of the built-in button instantly wakes up the sensor and displays the current humidity level for 1 second, providing real-time feedback at any moment. Anti-corrosion treatment that significantly extends its lifespan, even in moisture-rich conditions. Paired with a precision-etched graduated scale, it allows for accurate alignment with the diverse root depths of various 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. Specifications: - MCU: XIAO ESP32-C6 - Button functions: Detection Status, Calibration Process - RGB LED indicators: - 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 x Soil Moisture Sensor Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.