Features:1: Without USB 2: USB DUAL DISPLAY DESIGN: This alarm clock features a digital LCD display that displays time, date, and temperature, providing clear and easy-to-read information. Additionally, it has an LED projection function that projects the time onto the ceiling or wall for easy viewing. Alarm clock and snooze function: The clock has an alarm clock function with a variety of alarm sounds to choose from. It also has a snooze feature, allowing you to get a few extra minutes of sleep before starting your day. Temperature display: In addition to the time and date, this clock also displays the current temperature, DegreeC and DegreeF are convertible, allowing you to keep informed of the weather conditions in your room or surrounding environment. ADJUSTABLES PROJECTION ANGLE: The LED projection feature can be micro-adjusted front and back for better visibility based on your preference and room layout. Stylish and Compact Design: With its simple and modern design, this alarm clock adds a touch of style to your bedroom or office. Its compact size allows it to fit on any nightstand or desk, saving space while providing useful functionality for everyday use. Description: Material: ABS Size: about 9*9*10.5CM Power supply method: Use 3 AA carbon batteries (not included) or USB power supply. Projected Clock Instructions 1) mooe is a function key: press once to adjust the time, h r to adjust the time, and min to adjust the minutes. Press 2 times to adjust the alarm Press 3 times to adjust the hourly time chimes option (h r) and the alarm 24/15 start option (min) 2) Normal state, press h r to adjust 12/24 hour display switching 3) Long press the h r key and press the min key at the same time to switch the DegreeF/ DegreeC display Package List: 1 x LED Projection Alarm Clock without USB Cable or 1 x LED Projection Alarm Clock with USB Cable