Place the frient Entry Sensor Pro on a door or a window, and it'll start tracking when it's opened and closed and how warm it is in your home. This way, you can make sure you're kids are home from school and warm enough or check, how often your elderly grandma leaves the house. You'll have peace of mind, knowing that you can trust your frient to keep an eye on your family. With the Entry Sensor Pro’s long battery life, you can be sure your home is always superivsed.
Unlike the FRIZWISZB-121, the frient Door Sensor Pro (Zigbee) provides you a temperature sensor and tamper protection.
IP20, Battery AAA, ZigBee.
SmartThings, Homey Pro.