Product Features: Stainless steel material, sharp precision design, durable,can be used continuously for tens of thousands of times. No batteries required. Take it and use it anywhere. Safe & painless, cut blades never come in contact with skin. Mechanical, can be operated by one handed manual quickly and simply. How to use: Step 1: Insert trimmer slightly into nostril or ear by holding tool with thumb & forefinger. Place the cut heads approx 1/5 inches into your nostril. (Be sure to clean area with warm water before use.) Step 2: Squeeze handle to rotate the sharp interior blades, trimming visible hairs only. Maintain rotating movement during cut to avoid unpleasant pulling. (note 1: It might need some practices to adjust the operation for first uses - the trimmer is designed to trap hairs to cut. Once you're used to it, you will find it a much better tool to use); (note 2: The blades are covered with 12 pcs metal fences, accordingly, it is safe enough to use); Step 3: Clean tool after use with brush to remove excess hair from in between blades,or directly rinse it with water. Get it clean and dry and put it back into the original package. (note: please do not knock it against the desk to get rid of the hair) Step 4: Please do not take the machine apart as it will affect the precision accuracy. Specification: Product Name: Nose Hair Trimmer Material: 304 Stainless steel Color: Silver Size: 3x1.5x5cm(1.18x0.59x1.97inch) Package Include: 1 x Stainless Steel Nose Shaving Hair Removal Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.