HZQW-101 Silent Alarm Shock Smart Wireless Watch Bed Rest Corrector 1. Forced wake-up, multi-speed adjustment, APP control, magnetic charging 2. Use safe, moderate electric shock, not hurting people 3. TPU strap, wear-resistant and oil-resistant, waterproof 4. 304 stainless steel electrode sheet, 10 levels of electric shock intensity adjustment 5. Function: waterproof, alarm clock, step counting, smart reminder 6. Waterproof grade: IP67 7. Screen resolution: 240 x 240 8. Wireless distance: 10m 9. Screen size: 1.3 inches 10. Rated current: 1A 11. Rated voltage: DC 5V 12. Rated power: 5W 13. Operation mode: touch 14. Material: environmentally friendly silicone and aviation aluminum and TPU 15. Power supply mode: USB charging built-in lithium battery 16. Battery capacity: about 180mah 17. For 130-200mm wrist circumference 18. Wearing method: wristband type, 19. Use time: 6-8 days 20. Charging time: 1.5 hours 21. Note: pregnant women, epilepsy, heart disease, high blood pressure, mental illness, mental illness, minors, prohibited use 22. Dimensions: 42x35x9.8mm 23. Weight: 220g Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.