This Push Button switch Exquisite workmanship ,Quality assurance for 3 years. If there are quality problems within 3 years, you can send us email. We will send you new ones . Only for: replace Switch Item Name : Emergency Stop Push Switch;Type : Self Locking Rotary;Ith : 10A Ui : 440V;Voltage Category : AC 125V, 5A; AC 300V, 3A; contact Type : 1No 1nc ; screw terminal quantity : 4 Special Note: This button switch does not have a light up function Product Name : Red Green Push Button Switch; Mode : LA38-11;Contact Type : 1NO 1NC ; Action Type : Momentary;Ith : 10A;Ui : 440V screw terminal quantity : 4 Overall Size(not include the button) : 15 x 7 x 6.4cm/ 5.9" x 2.8" x 2.5" (L*W*H) Red Green Button Diameter(Approx.) : 2.9cm/1.14" Red Mushroom: 4cm/ 1.5"; Weight : 320g; Package Content : 1 x Switch Box Station