Its innovative shock alarm clock function is perfect for heavy sleepers and those with hearing impairments With 1.69“ touch Screen : all the setting can finished on the watch The fitzap3 also features a shake-to-shock function, helping you break bad habits and combat fatigue. Simply shake your hand to trigger a shock, deterring unwanted behaviors like smoking and keeping you alert throughout the day. Early risers‘s Secret Weapon ：Embrace a healthier lifestyle and start your day right with the fitzap3. battery type :Li-ion Polymer Battery capacity : 200mah battery size :27×20×4mm With a battery capacity of 200mAh, a full charge lasts up to 20 days. ---The standout feature of Fitzap3 watch shock alarm clock is its ability to generate safe and efficient electronic pulses, reaching up to 480 volts It can help you cultivate thehabit of waking up early and break bad habits, such as smoking. --Are you a heavy sleeper who struggles to wake up on time? The Fitzap3 shock clock is the ultimate solution for deep sleepers. ---It's not just an alarm clock; it also helps combat fatigue: Electric Shock Pulse for Anti-Fatigue: A watch alarm clock capable of delivering electric shocks. With its innovative and safe electric shock pulse feature, it can wake you up instantly, leaving you refreshed and energized.