product description:
Can be free to write a message on message board.
Night lamp and ambient light on message board.
Ultra large capacity lithium battery,can be charged repeatedly.
High-quality beads of lamp,eye protection,no radiation and long service life.
Flexible metal hose,can twist in 360 degree.
Product specification: Rated Voltage: DC5V
Rated current: 420MA
Rated Power:1.7W
Brightness:21-23/LM
Using time:14 hours for one-grade,7 hours for two grade,5 hours for three-grade.
Charging time period:about 2-3hours
Battery Capacity:1200MA
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