E=mc2 Math Formula Wall Clock Good times! Rethink the traditional timepiece as functional wall decor. Youll love how our Artists are converting some of their coolest designs specifically into Wall Clocks. Features: Measures 30 x 30 cm (12inch)Made of Acrylic PlasticRequires one AA battery (not included) White Frame With LED Backlight White frame with LED light inside.In case you are choosing the clock with backlight, it is fitted with led linear and remote control. The backlight is very easy in use. It can be connected via any 5V USB port. You can plug into different devices, such as a computer, desktop, laptop, TV, power bank, cell phone charger, 5V adapter and so on.The controller operates the on/off and modes of the lights. It is small and very handy. The lights themselves have a very nice glow. There are available 7 color and 3 brightne modes.In case you are ordering clock with backlight, you will get-An white frame clock with led linear;-IR RGB LED remote control;-1.8 meters USB cable;-The 5V adapter will be also sent together according to your shipping addre. Framele Simple Design No Frame in font side. Glo-finish face and exposed clock hands. Metal Frame with acrylic gla Sturdy metal frame, HD acrylic gla and plastic back cover makes our clocks a great quality product. Silent Movement Clock Mechanism The high-quality quartz movement mechanism guarantees precise time, quiet sweep second hand provide a good sleep and work environment. Quality Aurance If anything at all goes wrong with your clock when you receive it, please contact us, we promise to replace defective product or make you a refund. INDOOR DECORATION: This home decor acceory serves purpose of decorating the wall of your home or office; Fits well in all types of rooms, from hotel lobbies to typical living rooms. Welcome Custom Order LIKE THE IDEA BUT DONT LIKE THE DESIGN? LETS MAKE A NEW ONE TOGETHER! Just let us know what you would like to see on your special clock and we will prepare a new design for you.Our design team will sketch your clock in most cases within 24hours. You will be able to review it, comment on it and ask for revision (if needed) until you are fully satisfied with the design.