1-Year Replacement Warranty: Our customers are covered by a 1-year replacement warranty. Reach out to us if you encounter any issues with your purchase. Seamless Compatibility: The Pavlok app helps you pari your device on your Android or iOS device. Customize alarm settings, control the zap strength, and track your sleep activity, all in one place. Wake up on time: Never be late again with the Shock Clock 3's reliable alarm that combines chimes, shocks and vibrations, ensuring you wake up even if you're a heavy sleeper or hard of hearing. Ideal for Everyone: Designed for students, couples, shift workers, and even the hard of hearing. The Shock Clock 3 meets the diverse needs of anyone who struggle to wake up. Track Your Sleep Habits: Monitor your sleep patterns and create better habits with the built-in sleep tracker. Understand your sleep quality and improve your overall well-being. Silent and Powerful: The Shock Clock 3 is equipped with silent alarm features that wake you up without waking up your partner, making it perfect for couples and shift workers. Shocks you awake: Wake up on time and become a morning person with the Shock Clock 3, the best alarm for heavy sleepers that delivers an electric shock to ensure you never oversleep again.