Features:Easy to use, No Skill Required ~ replacement for your traditional curling iron or curling wand. Perfect Curls or Waves Every time for Beauty In MotionUp to 60-minute cord-free run time, Run time will vary based on heat and timer settings selected as well as hair type; Rechargeable Auto Curler ~ Charge fully overnight before first use. Charge time will vary depending on adapter and power sourceMulti-directional curl action (left, right, or mixed) with anti-tangle protection200°F highest heat for professional curl results4 Heat / 4 Timer Settings allowing you to create tight to loose curls and waves anytime, anywhere with Auto Off feature; Auto Off feature ~Unit will shut off automatically after 15 minutes, if left on and idle, to preserve battery lifeLCD Digital Display shows all settings: heat, timer, battery level, and curl direction Specifications:Color: GreyBattery Voltage: 3.7VBattery Watt-hour: 9.25WhBattery Type: Lithium-ion rechargeable batteryCharging Time: 3.5hoursUsing Time: continuous using time of about 40 minutesTemperature Gear: 4(150℃ 160℃ 180℃ 200℃ )USB Length: 585cmSize: 19x5.6x4.9cm