Useful tool: This controller allows you to use the phone app to open or close the valve remotely. Convenient lifestyle: This water valve smart switch makes you can turn on or off the valve even you're not home. Fit places: This remote control valve controller is widely used in home, office, hotel, apartment, and many other locations. Easy installation: This smart valve controller is convenient to install and remove without using any special tools. Good replacement: This smart valve control switch is durable and comfortable to use, and is a good one to replace the worn or damaged. Specification: Material: PC, metal. Color: Show as picture. Size: Show as picture. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Controller(with 1 Piece Bracket, 1 Set Screw, 1 Piece Charger, 1 Piece User Manual).