Feature: This clock has 3 energy saving mode. The first energy-saving mode: when you press the "ON/OFF"button, the screen will show on or turn out. Second energy saving modes: press the "set" button and set the DP-1 and DP-2 modes. The third energy saving mode: long press "UP" button, manually adjust the brightness (L1-L4 four levels). By the way you could adjust its brightness by long pressing the icon.Specifications:Material: Glass+ABS Power: Weight N.W: 240g Input: DC 5V 500mA Material: Glass and Plastic Color: Sliver Power supply: CR2032 3V button cell Built-in battery type:high quality lithium battery Package 1 x Night Light 1 x USB cable 1 x User manual
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