Features: Always wake up on time, never oversleep again. Alternate display of time and temperature, but the time display can be locked. 3 alarms to set up, with voice control functions. Go with minimalistic elegant design and simplicity of use. New upgraded LED display makes it easy to read in all conditions, during day and night. The alarm sound is loud, wakes up even heavy sleepers. Portable sleek design allows you to take this clock with you during your travels. With fashionable red light LED display. Description: The button cell is used for memory function but not for power supply. Put it on a desk, make it a part of your home interior design. Suitable for public place, living room, office, study room, bedroom. Equipped with calendar function, easy for you to check the date. Specifications: Model: ZJ-012 Material: MDF+PVC Color: black, bamboo color, white Size: 12*4*6cm/4.72*1.57*2.36inches Package size: 18*6*10cm/7.07*2.36*3.93inches Dual power supply: 3*dry battery(not included)/USB port(Suggested to use USB cable) Package Included: 1 x LED Clock 1 x USB Cable 2 x Button Cell 1 x User Manual Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to different personal measuring techniques, there might be 1-3cm error of the physical. Thank you!