HomeProduct Included components1x door-window sensor, 1x magnet, 1x CR123A battery, adhesive tape, user manual 1x door-window sensor, 1x magnet, 1x CR123A battery, adhesive tape, user manual Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Bosch Smart Home door/window contact II, smart sensor for energy-efficient heating, compatible with Amazon Alexa and Google Assistant, anthracite Added to wishlistRemoved from wishlist 0 Add to compare £31.67