I got it at Walmart with the electric trimmer. It included a AAA battery and for $5.00 I thought it would be worth it just for the trimmer. The trimmer is good but I hated the razor itself. You would, with 1 stroke, clog that monstrosity up. I used it 2 times and just threw away the cartridge, but continue to use the trimmer . I hated the time it took to unclog the razor 7 times a shave. No Thanx!!