Alula RE622 NanoMax Wireless Door & Window Sensor - Encrypted Connect+ Security System for Smart Homes - Ideal for Home, Office & Business Security Monitoring

NanoMaxis the smallest full-featured security transmitter in the industry. It is typically used to sense opening and closings of doors and windows, but can secure just about anything using its Strip & Stick™ external contact holes. It will alarm when the magnet is pulled away from the NanoMax or when the external contact is opened.