Main features 1 x GROHE Sense Guard for wireless LAN, mains connection 230 V for single family homes detects burst pipes, micro leaks, frost risk and unusual water consumption Shut-off function to prevent water damage (automatic, manual and remote control via app) detects the flow rate, the water pressure and measures the system temperature to indicate frost risk measures water consumption receive notifications and adjust settings via the GROHE Sense app Status indication via LED, buzzer and GROHE Sense App Wireless LAN 2.4 GHz, WPA/ WPA2 protected Horizontal or vertical mounting directly behind the water meter Use of wall mounting kit 22 501 000 is recommended, component must be ordered separately - 1 x intelligent water control with 1" connections- mounting connections 3/4"- extension cable 0.7 m, connection cable type G Fitting group I according to DIN 4109 to be installed on cold water pipe only 3x GROHE Sense for wireless LAN, battery-operated automatic warnings in emergency situations - in case of flooding and frost risk daily updates of relative humidity and room temperature receive notifications and adjust settings via the GROHE Sense app Status indication via LED, buzzer and app to be placed on level, non-conductive surface Wireless LAN 2.4 GHz, WPA/ WPA2 protected 9x AAA batteries CE mark