Feature: 1. This is a complete barber sets for cutting hair, which includes a hair clipper, a cleaning brush, a charging base, a charger and 8 guide combs for different hair lengths. 2. The LCD screen can display the loaded condition, charging state and the available time, reminding for oil filling and charging. 3. After fully charged, the hair clipper will automatically start the charging protection function to stop charging, and protect the battery life. 4. When the hair clipper encounters a lot of hair or thick and hard hair, it will still keep the revolutions at a constant speed to improve the speed and effect of hair cutting. 5. Frosted design on the back of the handle, comfortable to hold and not easy to slip from hand. It can be fastly charged in 3 hours and used for 250 minutes. Specification: Item Type: Hair ClipperMaterial: ABS & Stainless SteelProduct Plug: US Plug 100-240V Charge Time: 3 Hours Service Time: 250mins Battery Type: Lithium BatteryBattery Capacity: 2600mAH Charge Methods: 1. Insert the charger connection plug into the charging base slot.2. Plug the charger into the power socket.3. After confirming that the power switch of the hair clipper is in the off position, the hair clipper will emit a "Didi" prompt sound after inserting it into the charging base.4. The charging reminder icon in the LCD screen is always on, indicating that it is in the charging state. (After fully charged, the hair clipper will automatically start the charging protection function, stop charging, and protect the battery life.)5. The hair clipper can be directly connected to the charger to charge.6. When the hair clipper is not powered, it can be directly connected to the charger and operated with a wire. Charge Description: 1. Please charge it for 3 hours for the first time. After 3 to 4 times of full charge and discharge, the battery capacity will reach the best condition.2. The best ambient temperature for the charger is between 5℃ and 40℃.3. The product can retain 80% of the original battery capacity after completing 400 charging and discharging cycles. LCD Screen Function: Hair clipper RPM control function1. Digital display of hair clipper revolutions per minute (RPM) setting range: Setting method of 5000-7000 revolutions per 1 minute: Press the "-" or "+" speed control switch to set the corresponding number of revolutions, and adjust 500 revolutions every time you press it. Intelligent constant speed function1. The hair clipper always keeps running at a constant speed at the set number of revolutions. The feature of this function is that when the hair clipper encounters a lot of hair or thick and hard hair, the speed will not be reduced by resistance, and it will always keep the set number of revolutions at a constant speed to improve the speed and effect of hair cutting. Loaded condition: 1. When the indicator light is in the first to third grid, it belongs to the normal load range.2. When the indicator light is in the fourth grid, it is a reminder that the load is too large and 3. the cutter head needs to be filled with oil.4. When the indicator light is in full display state, the hair clipper will emit a "Didi" alarm sound, indicating a serious overload, and it is necessary to immediately remove the cutter head for cleaning and oiling the cutter head.(If the hair clipper has been cleaned and oiled and the alarm continues, it means that the cutter head is worn out and you need to buy a new cutter head for use.) Available time display:Display the remaining time that the current battery can use, the display unit is minutes.Revolutions Per Minute 5000 5500 6000 6500 7000 Available time (mins) 250 250 250 250 190 Hair Length Cortrol:4 cutting lengths: 1.0mm, 1.3mm, 1.6mm, 1.9mm. Oil filling reminder function1. When the accumulative operating time of the hair clipper reaches 120 minutes, the red oil filling reminder icon flashes, and the “Didi” reminder sound is emitted to remind you to clean and oil the knife head. Charging reminder function1. When the usable time is only 20 minutes left, the charging reminder icon starts to flash, and then a “Didi” reminder sound is issued to remind you to charge the product. Table of electric adjustment button and hair length: Adjustment Button I Ⅱ ⅢV Hair Length 1.0mm 1.3mm 1.6mm 1.9mm . Package List: 1 x Hair Clipper1 x Cleaning Brush1 x Charging Base1 x Charger8 x Guide Comb Note: 1. Please do not disassemble the product without authorization.2. Please do not wash the product with water or store it in a humid place.3. The product can only be cleaned with a cloth slightly moistened with water or neutral soap.4. Do not charge the product in a heat source above 40°C and an environment below 0°C.(The product will become hot during use or charging, which is not abnormal. )5. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.