- What distinction between utilizing batteries or USB cable? Batteries: LCD display show couldn’t keep vivid on a regular basis, it could keep vivid about 5-10s while you press the dome; USB cable: LED DISPLAY BRIGHT TIME CAN STAY ON IF USING THE DC 5V CABLE (included). Please NOTE don’t use the batteries and USB cable on the similar time.
- 5-10s LED Projection Time: Projection will keep on 5-10s after you press the dome. You possibly can additionally learn time simply open your eyes within the morning. Please NOTE projection time might NOT keep on on a regular basis, it is designed to save lots of power and preserve protected from overheating of fixed projecting.
- LCD Screen Displayed: Time, Temperature, Alarm (if you happen to’ve set one) exhibits on the show after you set the battery in or join the USB cable.
- TechKen group service guaranttee: you will get your a refund inside 30 days if you happen to’re not happy with this product.