Material: Acrylic+ABSSize: 235*93*40mmTemperature range: 0℃ - 50℃Battery: CR2032 (for memory time when cut off power, Battery not included, clock is powered by USB cable)Package included:1 x LED clock (Without retail box)1 x USB cable (Adapter not included)1 x User manual (Instruction picture is attached at the product description)Note:Due to the screen difference, the color may be a little difference from what you expect, please allow it.