Features: brand new and high quality High Quality Momentary Contact Tact Switch Assortment Kit. It has momentary contact, 4-pin, round black push button, through-hole mounting. Used in electronic products, household appliances and other fields. High-precision mechanism design, sensitive operation and long service life. Packaged in a sturdy, convenient, resealable plastic storage for case. Specifications: Contact type: momentary contact Rated current: 50mA Rated voltage: for DC 12V Contact resistance: 100M ohm Material: plastic, metal Weight: 252g Packing size: approx. 20x14cm/7.87x5.51in Switch dimensions: 6 x 6 mm, 12 x 12 mm; Button size: 7.3mm/5mm/6mm/7mm/8mm/9mm/10mm/11mm/12mm/13mm Package Includes: 6 x 6 x 4.3-15 pieces 6 x 6 x 5-15 pieces 6 x 6 x 6-15 pieces 6 x 6 x 7-15 pieces 6 x 6 x 8-15 pieces 6 x 6 x 9-15 pieces 6 x 6 x 10-15 pieces 6 x 6 x 11-15 pieces 6 x 6 x 12-15 pieces 6 x 6 x 13-15 pieces 12 x 12 x 7.3-10 pieces 12 x 12 x 5-10 pieces 12 x 12 x 6-10 pieces 12 x 12 x 7-10 pieces 12 x 12 x 8-10 pieces 12 x 12 x 9-10 pieces 12 x 12 x 10-10 pieces 12 x 12 x 11-10 pieces 12 x 12 x 12-10 pieces 12 x 12 x 13-10 pieces note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!