FInd a good scale

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Can anyone recommend a good accurate scale.. I seem to never find a decent one..the 1 I presently have I had to change the batteries twice and this morning I got on and told me I was 271lbs.. I know I am not that.. I am under 200lbs!! I usually go by my dr's scale.. and when I buy one it is off WAY off either too low or too high.... I want something reasonably priced.. but I would like to get one that calculates my body fat. too . HELP!!