Specification: maximum temperature: 200 power: less than 25 W temperature controller: knob minimum value. Temperature: 160 suitable for hair: diameter of main line and wet line: assembly mode at the tail of power line less than 15mm: wireless charging material: material of plastic heat conduction board / strip: aluminum power supply: rechargeable battery type: single function curler voltage: 240V (double voltage) of 100-heat transfer board / strip, and service life: 10000-20000 times. 6 temperature setting: select temperature and direction according to menu, / H and timer, then press "adjust" to set temperature range: 150 , 160 , 170 , 180 , one hundred and ninety two hundred . 6 timer setting - timer range: 8s-18s - meets your expectations for all curling effects - durable and easy to use - this device instantly turns curves into curls and provides 360 3D full range heating features your hair can be fixed immediately to keep your curly hair longer. Effortlessly carve out the perfect curly hair. Hair and small styling - enjoy it all the time - anytime and anywhere- Cordless binding - Cordless curls with built-in battery pack can be easily held in your pocket or a suitable size (7.6 inch long) backpack can be comfortably held in your hands to attract hair faster. 4 how to use it? 1 Press and hold power on / off for 2 seconds to turn on the power supply of the device. Note: to turn off the power, press and hold "power on / off" for 2 seconds. 2 Press menu to select temperature, direction, / H and timer after timer, then press adjust to set temperature / direction / unit value: / H/ Timer3 After setting the temperature, the device starts heating. Note: the heating symbol flashes during heating. When the temperature setting icon is reached, it stops flashing and you will hear beep 4. Comb to remove all tangles and eak the hair into parts up to 0.78 in 5. Push the hair section through the curler box and press and hold the start button to start motor 6 that pulls hair into the curler box. Release the start button 7 when you hear the first beep. When you hear the last prompt, the curl is completed automatically. The number of beeps for the product corresponds to the timer D set. H. The timer set to 8 will beep 8. Set temperature / direction / unit value: / H/ Timer