Features: 1Pen Holder Design: This LED clock features pen holder design, which can be applied to store your pen, glasses, ruler and pencils. 2Multi Function: This pen holder alarm clock provides time, date and temperature display, great convenience. 3Simple Style: This digital alarm clock also features simple and fashionable style design, great decoration for any environments. 4Battery or USB: This small digital clock can be powered by USB cable or 3 pieces of AAA batteries. 5Ideal Gift: This pen holder alarm clock is ideal and perfect gift for family, friends and colleagues who work in an office. Item Type: Pen Holder Alarm Clock Material: MDF, ABS Battery Type: 3 AAA Batteries (Batteries Not Included) Product Size: Approx. 18.2 x 9.5 x 9.4cm / 7.17 x 3.74 x 3.70in ( Manual Measurement, Slight Error May Exist ) Weight: Approx. 367g / 12.95oz 1 x Pen Holder Alarm Clock 1 x USB Cable 1 x User Manual