Features: height: 670-770MM(Can adjust Height) * AC/DC double-duty fan and spotlights * Built-in overcharging and over discharging circuit * Built-in lift rod ,hold the rod ,height can be adjust by pushing the lifting button * Built-in AC/DC self shifting circuit * Using 10 LEDs as the spotlights,can use for 100hours * Using 12 inch fan blade * Built-in circuit of input air and speed change * Built-in fuse Attention: Please charge 10 hours for the first time use. During charging,the indicator light is red. If you dont use it for a long time ,please recharge it one time every three months,the recharging time should be 10hours.