Calorie Pedometer Alarm Clock Waterproof Multifunctional Mountain Sports Shockproof Smartwatch 1. Power supply: CR2032 battery included 2. Case material: ABS high hard plastic 3. Button material: ABS 4. Strap material: high toughness TPU 5. Buckleback cover material: 304L stainless steel 6. Watch head size: about 48 x 45 x 14mm 7. Display diameter: about 41mm 8. Strap width: about 22mm 9. Weight: about 48g Features: 1. Smart alarm clock: 0 to set the reminder time 2. Dual city time 3. Sports pedometer: accurately record walkingexercise steps 4. History pedometer: store 31 days 5. Calorie: Accurate record of exercise consumption 6. Running second timing function: the maximum running second timing 23 hours, 59 minutes and 59 seconds, the first 30 minutes accurate to 1100 second 7. Time function: hour, minute, second, year (2000-2099), month, day, AMPM 8. Countdown timer: better control the pace of movement 9. Dual mode time: 1224 hours 0 switch 10. LED luminous dial 11. FSTN semi-transparent 12. 50m waterproof 13. Long-lasting power