Description Easy and safe refilling of evaporated water in the aquarium - Permanent monitoring of the water level in the aquarium by means of a trouble-free and maintenance-free Reed sensor with delay circuit (no disturbance due to surface movement) - Automatic refilling of evaporated aquarium water. - Variable sensor holder allows adaptation to different water levels in the filter tank - Dry-running protection of the refilling pump - optical and acoustic alarm - There is a warning for low water level of the refill tank - Easy installation and maintenance, plug connections on all cables (incl. cable protection against unintentional release) - Safety shutdown circuit in case of a defective level sensor - 12 V low voltage, incl. transformer 100 - 240 V / 50 - 60 Hz Manual Refill System 2-0 manual https://youtu.be/k-vTFQqCO7U
