Every new Golden Hour ECG device comes with a Reset Key, a vital element of the ECG kit. To preserve battery life when storing the ECG device, insert the Reset Key into the cable slot, ensuring readiness for the next patient. Moreover, the Reset Key plays a crucial role in addressing device freezes; it deactivates the device to prevent battery drainage and facilitates a smooth and rapid reset during reboot. For those in need, replacement Reset Keys are available for purchase.