The Zgemma H4 is latest and only Zgemma triple cable tuner set top box receiver. Thanks to the multiple tuners, with the addition of a usb memory stick or external hard drive you can record upto 2 channels while watching a 3rd. Thanks to the Enigma2 system, Open ATV installed, this box is fully customisable, from changing the skin to adding plugins, carry out software updates or reflash all online at a push of a button and much more.