Color: Black Size: 13.5 x 4 x 8.5 inches Weight: 250g Display Type: LED Numeric Display Case Material: Plastic Power Supply: 2 x AAA batteries or DC 5.0V via USB Applicable Places: Living room, bedroom, office, kitchen, bathroom, public areas Special Features: Thermometer, perpetual calendar, alarm, calendar, 24-hour display, humidity measurement, weekday display Package Contents: 1 x Projection Clock, 1 x USB Power Cable, 1 x User Manual All-in-One Functions: Wireless projection alarm clock with indoor temperature and humidity display; time and temperature projection with ON/OFF button; built-in USB charging port; dual alarms with snooze function. Projection Function: All display information is clearly visible from any viewing angle. Projects time and temperature simultaneously. Press the button to project for 8 seconds when using battery power, or keep projection enabled continuously when powered via USB. Use the ON/OFF button to control projection as needed. Adjustable projection angle allows easy selection of the optimal viewing position. Automatic Time Setting: Auto-synchronized atomic clock displays accurate time automatically in 12/24-hour format. Indoor temperature and humidity levels are clearly shown. Temperature can be displayed in °C or °F. These additional features help assist in daily outfit planning. USB Charging Port & Dual Alarm with Snooze: Set two independent alarms for different purposes. Press the top button to activate the snooze function for an extra five minutes of sleep. The built-in USB output port allows convenient charging of electronic devices.