1. 3 in 1 rechargeable & automatic emergency fan.2. AC electricity and DC battery power supply is available and transfer automatically3. 0.5 hours timer and with remote control4. super bright LED lights and USB port to charge phones and digital products5. discharge and overcharge protection to extend the battery life efficiently6. the function of the LED light can work during charging7. Battery capacity, charging and full charge indicator light.8.the product is convenient to be used for INDOOR and OUTDOOR functions during time of POWER failureThe Century 18" Rechargeable FRC 45-E is adjustable and has 6-12 hours battery life. It features LED Lights and also has a full charge and charging indicator light. The rechargeable fan features AC and DC power supply modes and a 5 blade technology for efficient airflow. It is adjustable and features automatic oscillation, low noise operation, and a durable motor.NB: Charge For a Duration of 7hr Before First Use.NB: Not Advisable TO Be In Use While Charging Is On Going because It Damage's The Battery's lifespans Century 18" Rechargeable Fan+Remote+LED Light RED/BLACKThe Century 16" Rechargeable FRC 45-E is adjustable and has 6-12 hours battery life. It features LED Lights and also has a full charge and charging indicator light. The rechargeable fan features AC and DC power supply modes and a 5 blade technology for efficient airflow. It is adjustable and features automatic oscillation, low noise operation, and a durable motor.NB: Charge For a Duration of 7hr Before First Use.NB: Not Advisable TO Be In Use While Charging Is On Going because It Damage's The Battery's lifespans