Accelerometer step counting function is intended for continuous walking exercise sessions. Intermittent step counts may not be recorded accurately. An Accelerometer is an instrument used to measure acceleration & may count vehicle movement as steps. Multifunction pedometer counts step, calories burned and distance walked. 3D Sensor can be worn any part of the body. Records activity time for up to 7-days. 3" H x 1 5/8" W x 11/16" D. Price includes 1 colour; 1 location imprint.