SOLD EACH CUP HOLDERBLUE LED Stainless Steel Cup Holder with Drain. For Marine, Boat, RV, Camper, Automotive or Truck.”We test them with a 12 volt Battery before we ship em!”FEATURES: Made of Stainless Steel Non-slip cup mat Durable and corrosion LED nice RED glow / 12 volt Easy installation Comes with a draining holeSPECIFICATIONS:Color: Silver / 12 VoltWeight: 4.23 ozHeight: 3-1/4 inchesTop inner dia: 3-1/2 inchesTop outer dia: 4-1/4 inchesBottom dia: 2-7/8 inchesThe length of the wire: approx. 5-1/2 inches