Tanita Electronic Body Fat Scale Model BF-578 Tested Working. This is a used Body Fat scale for people watching their weight progress while working out. It has 4 memory settings in which you put in your age, height, and it will give you an estimate of your body fat percentage when you step on the sensors and take your weight. Has measurements for KG, LBS, and ST/LB. Works on 4 AA batteries. I tested it myself and everything seems to be in good working order.. Has a few scratches and blemishes on the plastic on top, you can see in the pictures. scale is made of heavy glass with plastic coverings. The manual included is for the BF-579 but it will work with this model BF-578. I couldn't find a copy of the BF-578 Manual anywhere. Please message me with your questions before you buy. All sales final