1、MULTIFUNCTION: Countdown positive timing function, visualize 60 seconds and 60 minutes countdown. 2、ALARM CLOCK FUNCTION: Independent alarm clock setting, two sets of alarm clock can be set to meet different needs. 3、LED DIGITAL DISPLAY: Visualization LED dual screen display, hour and minute and second at a glance, LED digital display screen can be clearly displayed at night. 4、QUIET WORKING: Silent timekeeping design, suitable for night time use, won't disturb your work and study. 5、12/24 HOURS: Support 12/24 hours system conversion, easy to switch between different time systems. 1 x Alarm Clock1 x Data Cable1 x Instruction Manual Item Type: LED Alarm ClockMaterial: PlasticProduct Size: Approx. 90x187x40mm / 3.5x 7.4x 1.6inBattery: 1 x CR2032 Battery (Shipped Without Battery)Alarm Settings: Two Sets of AlarmsProduct Function: Timer, Time, Temperature, Date, Alarm Clock, LED Digital Light Temperature Function: Display Fahrenheit and Celsius Conversion, Temperature Range ‑10℃ to 50℃ (‑14℉ to 122℉)Brightness Adjustment Function: Press "UP" Key to Adjust Two Levels of Brightness.Auto Half brightness Function: The Brightness Automatically Dims From 18:00‑6:00, and Can Set The Auto Half Brightness IntervalNight Anti disturbance Mode: Long Press Snooze Button for 3 Seconds to Turn Off The LED Display