Usage Tips:Group Controls:Multiple devices can be controlled as a group. Multiple irrigation mode options:Timer your weekly schedule for automatic watering with two schedule types optional Rain Delay Function:Set Rain Delay in App with 24H, 48H and 72H, Watering delay in rainy days for saving water. Remote Control:Timely Control of Plants Irrigation, No matter where you are.Note:add the Bluetooth gateway for much stabler control for controlling range restricted with bluetooth signal of mobile. Waterproof level IP55:You can use it outdoors with confidence without worrying about damage to the equipment caused by rainwater. Irrigation History Function:Irrigation History Available in App for Water and Energy Saving. Multiple Usage:You can use it in a variety of scenarios such as Garden irrigation, Drip Irrigation, Lawn irrigation, etc. Colour:Photo Color Material:ABS Package Contents: 1 x smart water valve controller(Without 4xAA batteries,You need to prepare yourself) 1 x wifi gateway 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.