Continuous operation The timer keeps timing normally even when power is off; the display does not show the time in the power-off state. Dual mode for your preference Two modes to choose from - Voice-control mode - Always-bright mode Voice-control mode is recommended when the unit is powered by batteries, for hands-free operation. Flexible power options Powered by 3 AAA batteries or USB power Ideal for use in the bedroom and easy to take on trips Portable enough to place in a suitcase while traveling Room temperature display The unit shows your room temperature in addition to timekeeping The temperature display adds practical information while the clock remains functional Use scenarios - Bedroom bedside clock Use as a timepiece with a temperature display on your nightstand Voice-control mode enables hands-free operation when you are in bed or getting ready in the morning - Travel companion USB powered or battery powered for use in hotel rooms, dorms, or guest rooms Compact design supports easy packing and quick setup for trips - Kitchen or study timer Keep track of tasks with the timer while monitoring room temperature Switch between modes to suit your activity, whether you need bright visibility or voice control This product combines reliable timekeeping with flexible power, easy access to temperature information, and a choice of modes to fit your daily routine and travel needs.