ZD1128 features: 1) It adopts micro-computer technology with mini-construction design and readable LCD display 2) The paces are detected via the movement of waist 3) It is securely to your waistband or belt, close to the center of you bodyInner packing: 1pc/white paper boxG.W.: 5.1kgN.W.: 4.1kg Outer packing: 200/ctn Carton dimensions: 27.5 x 25.3 x 28cm ZD1129 features: 1) It can write as a pen 2) The paces are detected via the movement of waist 3) It is securely to your pocket, close to the center of you body producing area:China