Spraying apparatus comprising a) a housing including a a liquid inlet, a liquid outlet, a liquid channel arranged between the liquid inlet and the liquid outlet and a liquid dispensing element with multiple outlet openings (6.1), the liquid dispensing element forming the liquid outlet or being arranged at the liquid outlet or between the liquid channel and the liquid outlet, b) wherein liquid from the liquid channel passes the liquid dispensing element through at least some of the outlet openings (6.1) from an inner side to an outer side of the dispensing element and is then sprayed out of the housing at the liquid outlet in form of at least one liquid beam (SW, SF), c) wherein the spraying apparatus further comprises a directing device (7, 8) to direct liquid from the liquid channel in at least one impacting direction onto at least one impacting area (A1, A2) of the inner side of the liquid dispensing element, d) wherein at least two states of the directing device (7, 8) are provided differing from each other in the impacting direction(s) and/or the impacting area (A1, A2) of the liquid impacting on the inner side of the dispensing element, e) wherein each of said states of the directing device (7, 8) corresponds to or results in a different shape and/or size of the liquid beam (SW, SF), wherein the liquid dispensing element is shaped concavely at its inner side and convexly at its outer side, characterized in that, the at least one first state of the directing device (7, 8) corresponds to or results in a widening or diverging liquid beam and at least one second state of the directing device (7, 8) corresponds to or results in a focusing or converging liquid beam, and wherein in the first state of the directing device (7, 8) the impacting area is a central, preferably circular or circular ring-shaped, impacting area on the inner side of the dispensing element, preferably close to a central axis of the dispensing element, which preferably coincides with a central axis of the liquid channel, and wherein in the second state of the directing device (7, 8) the impacting area is a, preferably circular or circular ring-shaped, impacting area on the inner side of the dispensing element being of greater size or having a greater radius or diameter (2 r2) than the size or radius or diameter (2 r1) of the impacting area in the first state and preferably being arranged around the central axis of the dispensing element, which preferably coincides with a central axis of the liquid channel. a) a housing including a a liquid inlet, a liquid outlet, a liquid channel arranged between the liquid inlet and the liquid outlet and a liquid dispensing element with multiple outlet openings (6.1), the liquid dispensing element forming the liquid outlet or being arranged at the liquid outlet or between the liquid channel and the liquid outlet, b) wherein liquid from the liquid channel passes the liquid dispensing element through at least some of the outlet openings (6.1) from an inner side to an outer side of the dispensing element and is then sprayed out of the housing at the liquid outlet in form of at least one liquid beam (SW, SF), c) wherein the spraying apparatus further comprises a directing device (7, 8) to direct liquid from the liquid channel in at least one impacting direction onto at least one impacting area (A1, A2) of the inner side of the liquid dispensing element, d) wherein at least two states of the directing device (7, 8) are provided differing from each other in the impacting direction(s) and/or the impacting area (A1, A2) of the liquid impacting on the inner side of the dispensing element, e) wherein each of said states of the directing device (7, 8) corresponds to or results in a different shape and/or size of the liquid beam (SW, SF),