Electronic watch display function: power, time, distance, heartbeat, speed, caloriesTransmission method: beltProduct size: 850 * 450 * 1020mmPacking size: 870 * 200 * 730mmNet weight: 20KGSGross weight: 22KGSMaximum carrying weight: 120KGSAfter sales service:Thank you for choosing and purchasing our products.Our service aim is fast,decisive,accurate,thoughtful and thorough.Our service goal is to win customer satisfaction with service quality.