• PREVENT WATER DAMAGE - Install in minutes and never worry about water damage again. Guardian will automatically close your water main when Leak Detectors sense leaks, freezing temperatures, or earthquakes. Use the iOS & Android app, with no monthly service fees, to monitor and control your system from anywhere in the world. 
• NO TOOLS REQUIRED - Valve Controller easily installs over existing quarter-turn metal ball valve from ½” - 1” without any tools. For Indoor use only! 
• EXTREME LONG RANGE - The Leak Detectors can be placed up to 1000’ away (line of sight) from the Valve Controller, and they include a 15-year battery. 
• MONITOR YOUR WHOLE HOME FOR LEAKS - The Leak Detectors sense water using five different points of detection to provide installation flexibility. Use to monitor toilets, basement doors, sump pumps, water heaters, appliances, sinks, drains, and more for leaks and floods. 
• SAVE MONEY ON INSURANCE PREMIUMS - Contact your insurance provider for premium discounts and possible incentives for protecting your home with Guardian.

Minimum Requirements

• 4.5" clearance before and after the valve (measured from the center of the valve).
• 3.5" clearance above the valve (measured from the valve handle's nut).
• Power outlet within 10' of valve, or extension cord.
• iOS and Android Smartphone with Bluetooth and internet access.
• Wi-Fi with internet access (for remote notifications and control only).
• Splash and humidity resistant. For indoor use only.
• Works on any quarter-turn metal ball valve from 1/2" to 1" that is operable by hand. 

In the Box:

• Valve Controller (1) 
• Leak Detector (3) (battery included)
• Sensor Probe (2)
• Set-Up Guide