Specification: Model: P8 APP: Dafit Waterproof rating: IP 67 Display: 1.4 inch screen 240*240 Strap material: silicone /steel Operating mode: full touch Battery: 170mAh  battery App Timed Class Reminder: Silent  Alarm Clock / Sedentary Reminder/Drink Remind/Meeting/Remind Power saving screen saver: lift the wrist brighten screen