Hook fluctuation two sides can be loaded detachablely. This is a 2 in 1 emergency lamp. LED lights emtis powerful white light which is soft on eyes. Useful for emergency power failure or working on computer or reading separatel without disturbing others. Very compact and small size. Folding handle which slides upwards for carrying. Can be kept on table or mounted on wall. 100000 Hours of bulb life, no need to replace bulbs. Solar charging or DC charging. WARNING:- DC CHARGING , PLEASE TURN OFF THE POWER, AVOID DAMAGING LEDS.