1. Intelligent Soil Temperature And Humidity Sensor 2. Realize Intelligent Monitoring Through Bluetooth Gateway, And Realize Intelligent Monitoring Of Soil Temperature And Humidity Through Intelligent Linkage, View Dynamic Changes, And Automatically Water. 3. Freely Switch Between °C And °F, Choose Your Preferred Reading Unit: Fahrenheit Or Celsius. Just Open The Back Cover And The Button To Switch Freely. And Hold The Button To Configure . 4. Low Battery Reminder, You Can Check The Remaining Battery Power At Any Time. When The Battery Is In Critical Condition, You Receive A Reminder To The Normal Use Of The Product. 5. Turn On The Message Notification, And The Plants No Longer Be Short Of Water; Detect The Current Plant Temperature And Humidity In Real Time, And Need To Be Connected To A Bluetooth Gateway To Use It Is It Waterproof: It Is Only Slightly Waterproof. It Is Best To Take Out The Product When Watering Flowers Or When It . Model: Bluetooth Smart Temperature And Humidity Sensor Battery Model: 2AAA (Not Included) Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:ABS+silica gel Size:about 162 x 33.5mm Package Contents: 1 x Bluetooth Smart Temperature And Humidity Sensor 1 x English Instruction Manual 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.