Manufacturer Number : km-1910 Number of Speed Settings : 1 Brand : Kemei Power Source : Electric & Battery Model Number : km-1910 Type : Clipper & Trimmer Targeted Group : Men Operating Function : Dry Number of Heads : 4 Potential safety precautions may include avoiding submerging the trimmer in water, using caution when trimming near water sources, being mindful of the trimmer's blades to prevent eye injury, avoiding use on infants or other sensitive areas, and following recommended cleaning and maintenance procedures. Always refer to the product's user manual for specific safety instructions