Check the listing for details. Alula RE601 Home Security Door/Window Sensor Cryptix For Connect+ Panel. Condition: New. Listed at 26.00 USD. Door/Window SensorFOR CONNECT+ PANEL The Resolution Products RE601 is a CryptiX-encrypted, standard-sized, wireless door or window sensor. The RE601 is a full-featured security transmitter with industry-leading wireless range and battery life. It is typically used to sense opening and closing of doors and windows but can secure just about anything using its two external contact zones. The RE601 will alarm when the magnet is pulled away from the sensor or when an external contact is opened. Features For sensing things that open or close Strong, reliable RF signal 10-15-year battery life Cover tamper Low battery indication 3 total zones Main reed switch + magnet 2 optional External Contacts If you have any questions please message BEFORE you buy