Input voltage 5 (V) luminous flux 15000 (LM)
Color rendering index 80 LED beads number 20 size 100 (mm)
Life 50000(H) Housing Material Aluminum Weight 210(g)
1 USB cable and 1 adapter:No more wasting money on batteries.It's USB connection, you can easy use mobility battery to charge this lamp.
Multi-functional clip: With the antiskid and scratch resistant rubber mat Design,allows for easy attachment anywhere, even to a book or ipad.With a hanging hole, you could mount the lamp if have hooks or nails on the wall.★Max clip open width:2.4"★
360 Degree adjustable metal gooseneck: Flexible enough to be adjusted, yet strong enough to stay in place so that you can always get the best light.★Max Height:18"★
2-Level brightness:Warm white and cool white, meet all your needs in different light environment.
Eye-care:Round suface provides powerful yet even light without harsh glare or shadows to well protect your eyes,and reduce eye strain.