<Li> 98 mm (3.9 in) (w) </Li> <Li> 98 mm (3.9 in) (d) </Li> <Tr> <Th> Weight </Th> <Td> 1st: 2.4 lb (1.09 kg) 2nd, 3rd, and 3rd Rev A: 0.6 lb (0.27 kg) 4th and 5th (4K): 15 oz (425 g) </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.apple.com/tv/ </Td> </Tr>

How do i know if i have a 4th generation apple tv