Motion detector with ambient light measurement for automatic load control based on movement and brightness. The switch function is always available. Designed to detect animal tracks. In combination with a flexible dimmer module, it offers a dimming function for lighting and optionally a light value storage feature. It has an activatable shut-off warning for stair operation and is compatible with all flexible modules. The adjustment elements are located on the back. The detection range can be extended through a master/slave combination. Additional on/off options are available via the push-button input of the flush-mounted module. It includes a continuous light/continuous off function and a detection display in test mode. The monitoring density covers 14 sectors with 56 switching segments. The shut-off delay can be set from approximately 10 seconds to 30 minutes or a short pulse of 1 second. Suitable for relay module flex, single, 64811 U; e-contact module flex, single, 64814 U; relay module flex, double, 64821 U; LED touch dimmer module flex, single, 64851 U; and extension module flex, 64891 U. The installation height is 22 mm. Please order the corresponding flush-mounted module separately. The range specifications refer to an ambient temperature of 21 °C.