Features: Track steps and calories. If no movement is detected for 3 minutes, it automatically enters sleep mode and works when you start moving again. Using 3D 3-axis sensor technology, track your daily activities with extremely high accuracy. can display estimated calories burned. No need hanging rope, just hook it on the belt loop, or put in pocket or bag. Simple design, easy to use. Up to 7-day of activities are automatically stored, so you can stay motivated and track progress. Automatically resets at midnight, you can easily track your daily pace, distance and activities. Suitable for adults, seniors and children. Specifications: Material: ABS Size: 7.6x4cm/ 3x1.6 in Battery: CR2032 button battery Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Exercise Pedometer