Dr. Prepare Projection Alarm Clock, Digital Clock Projector with Indoor/Outdoor Thermometer Hygrometer, Weather Station, Dual Alarm, USB Charging, Snooze Function and Colorful Backlight for Bedroom

Dr. Prepare digital projection clock is compact, lightweight and multifunctional. It a perfect gift choice and an ideal travel companion. ? Projection: The optimum projection range is 3.3 - 10 feet. This projection clock takes turns displaying indoor / outdoor temperature every 5 seconds. ? WWVB Signals: At 1:00 a.m. / 2:00 a.m. / 3:00 a.m. the backlight and projection will automatically shut off to receive radio signals for time calibration. After the calibration, the backlight and projection will resume. ? Time Zone: Time zone setting: long press MODE button for over 2 seconds. Press MODE button for 4 times until it comes to set time zone. Choose a time zone and press MODE button to confirm the setting. ? DST (Daylight Saving Time): DST setting (make sure you have chosen a correct time zone): long press MODE button for over 2 seconds. Then, press MODE button for 5 times until it comes to set time zone. Press "+" or "-" to turn on / off DST. Press MODE button for another time to confirm the setting. ? Battery Backup: Backlight of the screen and projection will shut off when using batteries (not included) as power source. ? Wireless Remote Sensor: 433.92 MHz RF transmitting frequency. 200 feet transmission range in an open area. ? Specifications: ? Indoor temperature measurement ranges: 14°F ~ 122°F ? Outdoor temperature measurement ranges: -40°F ~ 158°F ? Temperature alternatively in °F or °C. ? Screen display supports dimmer: 3 brightness levels off ? Adapter output: 5V/1.5A - European USB charger plug ? Battery backup: 2 x AAA batteries (not included ? Notes: Please read the instructions carefully before using it and learn how to change the temperature unit, how to set the time zone, how to set the daylight saving time manually.