1: Can be operated with usb plug.
2: Special pencil vase, easy to study and work.
3: Bright light and no power consumption.
4: Power : 0.8-0.9W
5: Brightness : 2000-4000MCD
Performance Parameters:
Usb plug
Additional Introduction:
QTY : 80 PCS
MEAS : 51*41.5*49 CM
G.W : 21.00 KG