frient humidity sensor (Zigbee) Too wet or too dry? Imagine always having a friend (frient) to look after your belongings. Someone who protects the things that mean a lot to you. A frient who tells you when to open a window to improve the conditions for your belongings. In other words, someone who acts proactively when necessary. Avoid damage The wireless humidity sensor (frient Smart Humidity Sensor) monitors both the humidity and temperature in your rooms. No more worries about your beloved paintings or other favorite pieces stored in your basement, because your frient will take care of them. If the environmental conditions in your cellar, garage or other room are bad for your belongings, your frient will let you know in good time. So you can intervene and prevent damage. Features: