Automatic feeder capable of feeding from just a few flakes and/or pellets to several cups per day several times per day. Only 4 3/4" tall without 2-Cup extension! * As many feed cycles as remote timer has "on-off" cycles! It also has a concealed micro-feed feed cycle time adjustment and a mechanical volume adjustment for size of food. * Supplied timer (style will vary from picture) will provide up to 48 daily feed cycles or more depending on timer used . You can use your own digital timer, purchase the Super Feeder ACDT-20 digital timer or use a home automation system to operate it. A webcam system has also been used. * Supplied with patented "Moisture Trap" funnelling system for trouble-free flake distribution. Important Super Feeder feature: ALL parts in this feeder can be quickly, economically and easily repaired or replaced without disposal or replacement of the entire feeder. * This Super Feeder can be used with a computer based system including internet activation/monitoring with AquaControllers or similar systems. Various home automation systems even including webcams can also be used to operate/monitor the Super Feeder. If you can turn on an appliance remotely with phone or other means, you could do that. If your system has any voltage output from 9 to 24 volts ac or dc, you can hook the feeder directly to your system and control the portion size with your system or via the feeder"s system.