Minimum Order Quantity: 500 pcs. Size: 1.81'' x 1.42'' x 0.71'' ( 4.6 x 3.6 x 1.8cm ). Functions: Low cost and lowest price, Counter range:0-99999,one key RESET DC 1.5v bottom cell of LR41 or AG3. Press RESET key can clear the step, Life for one year. Accuracy: +/-5%. Production: 15-20 days. Keywords: Pedometer PED000002