iGANK Simple Pedometers 3D Walking Step Counter With Carabiner Clip on Why Choose iGANK PD301 Pedometers: The Simplest way to track your steps accurately! No bells and whistles Easy to use, Lanyard-Free, no complicated settings,just pull the battery insulator tab out of the back,hook it to your belt loop or keychain.perfect for men,women,kids.If you want to know how many steps your dog has walked, you can hang it on the collar. Notice:iGANK PD301 pedometer count steps accurately. You can walk 200 steps to test it.If you have any problem,please feel free to contact us. Dimensions: Pedometer Size: 2.6in x 1.6in x 0.4in (6.6cm x 4.2cm x 1cm) Pedometer Weight: 0.5 oz (14g) Battery Type: CR2032 Button Battery Battery Life:Up to 12 months