Package Included : 1 x Flower Monitor 1 x User Manual Specification : Product name Flowers and plants detector Material Shell ABS plastic + detection sheet material-glass fiber epoxy copper clad board Color White Measurement accuracy + -5% Battery 1 x 3V CR2032 button battery (not included) Working voltage 3V Working current 10uA Rated power 0.03W Red light Water shortage Green light Suitable for moisturizing Blue light Too much water Size 131 x 25.1 x 10.9mm / 5.16 x 0.99 x 0.43inch Weight 30g Features : -Real-time monitoring can be inserted into the soil for a long time -Don't pick soil, you can insert any soil. -The black detection part can be directly inserted into the water (white water is forbidden to soak water) -Not delicate, the whole body is splash-proof. -Automatic monitoring at a glance. Instructions for Use : Unplug the top cover for the first time, pull out the battery barrier film, and close the top cover. When there is less water, the red light flashes once every 5 minutes. One-click real-time monitoring of the current soil status, moisture content, red, green and blue three indicators, according to different water content, to adapt to common flowers and grasses, select the indicator range according to different plant characteristics. Note: 1.Please allow 1-3cm error due to manual measurement. Please make sure you