The cobra microtalk mt975 twin are a two way radio value pack offering extended range of up to 12 km rapid desktop charger and rechargeable nimh batteries are included the radios offer vibralert silent paging vox hands free operation baby monitor and dual watch additional features include 10 call alert tones scan feature of channelsprivacy codesmemory and a 10 channel memory you can save as many as 10 channels in the memory and then scan as many as you would like with an optional acces