Finger Alert 110 is especially developed for the consumer market and the lower end of the professional market. It is a wide strip for the inside and a narrow strip for the outside of the door. It is suitable for doors opening up to 110 and a maximum door thickness of 5 cm. The Finger Alert 110? are usually sold per set which comprises a wide strip for the inner side of the door and a narrow strip for the hinge side of the door. The strips can be ordered separately.