Smart 3D rri-axis technology Prominent Features : Counts steps, Distance, Calories burnt, Activity time, Speed, Goal stopwatch, Timer, Alarm, 7 days memory Pedometer might be in off condition when deliverd. press and hold ADJ/EL + reset button together for 3-4 sec to turn on
Great quality, Stable performance Model Number : JX PDI-5521MG-180 JX PDI-5521MG-180 21KG Metal Gear Digital Standard Servo for RC Robot Car Boat Drone Helicopter