1.Please read the manual carefully before use and save it for future reference.2.Check that the blades are not damaged or deformed before use. 3.Please do not press the blade against the skin. 4.Please do not use the clipper for any purpose other than trimming human hair, do not use the hair clipper on pets. 5.Do not disassemble or modify the clipper. 6.Keep out of the reach of children. 7.Disconnect from the power supply when using or cleaning the clipper. 8.Keep dry. Avoid direct sunlight. 9.Household use only.