Water spray system (1) for generating a spray mist for testing driver assistance systems or corresponding sensors, having at least one nozzle module (2) which has at least one water spray nozzle and can be attached to a test body (6), in particular to a test vehicle or dummy vehicle , wherein the water spray system also has at least one water tank (7) and a pump (8) arranged between the water tank and the water spray nozzle, characterized in that the water spray system has a belt (9) with which the nozzle module (2) is attached to the test body (6) can be attached, the test body (6) being a test body (6) to be detected by the driver assistance systems or corresponding sensors.
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