Features:
Power supply by USB cable
Super Bright & Eco-friendly LED ensure extreme low calorific value and life span up to 50000 hours
Flicker-Free&No radiation ,good for your eyes especially long-hour working.
Thin&Portable design.Ultra-thin and light weights which makes the portable
A4-F and A4-F-USB can be not adjust brightness, A4-F-can be adjust brightness.
Specifications：
Frame size: about 33.3 * 21.5cm
Working area: about 30.2 * 21.8cm (A4)
USB Cable length: 2 meter
Thickness: about 0.35cm
Material: Acrylic
Light source: LED
Dimming Type: NO Dimming/Stepless Dimming/Three-level
Voltage: 5V
Power: 2.2W
Packing Included:
1*LED Drawing Board
1*USB Cable