BI-S-1-64-WL Window sensor/Universal detector, wireless

For monitoring and transmission of the state (open, closed) of dormer windows, skylights, doors and gates. Additional connection option for an external, potential-free sensor (choice of normally closed or normally open contact). The status can be visualized on the free@home panel and in the free@home app. Isolated evaluation and monitoring of channels. The universal detector and the magnets are fixed with adhesive film or screws. Accessories (adhesive foil, screws, magnet) included in delivery. Battery type: CR2 Notification in case of low battery capacity in the free@home app. External sensor max. wire length: 5 m External sensor terminal connection diameter : 0.14...0.5 mm² (single wire)