The reading light for books in bed there are 3 temperature light Mode Adjustable, yellow(3000K), warm white(4000K) and cool white(6000K).
Each head owns an independent switch for 3 brightness levels dimmable.
You can choose a comfortable setting as you wish for reading, knitting, camping, or repairing etc.
Rechargeable USB Rechargeable Book Light.
The included rechargeable built-in 1000mAh battery provides up to 80 hours (normal reading, single head) of power without reducing brightness.
Only 0.22Ib weight, can easily fit your carry-on suitcase or pocket , it is an ideal choice for all aspects.
Item Weight ?4.6 ounces
Color：?Black
Style：?Adjustable
Material：?Rubber
Power Source：?Battery Powered
Wattage：?1.7 watts
Installation Method ?Camping
Type of Bulb：?LED
Switch Style：?Push Button
It will automatically light up when your room is dark, and turn off when room is bright