4K UHD Models: UM80, UM75, UM73, UM71, UM6970 series. No Voice/pointer function! Power: 2 x 1.5V AA Batteries (Not included). 65UM7300PUA 70UM7350PUA 70UM7370AUB 70UM7370PUA 50UM7400PUA 55UM7400PUA 65UM7400PUA 75UM7570AUE 75UM7570PUB 75UM7570PUD.
eBay