MR16 GU5.3 Socket with Retaining Clips for Halogen/LED Lamps - Light Sockets - Amazon.com
Amazon.com: mr16 socket
2x Socket Adapter E14 to MR16 GU5.3 GU4 G4 for LED or Halogen Light Bulb : Amazon.de: Lighting
Amazon.com: gu5.3 led bulb
Sweet-Led® 10 x MR16 socket with ceramic base, suitable for LED and halogen lamps, GU 5.3 max. 100 W, 12 V, diameter 17 mm x 10 mm, length 160 mm : Amazon.de: Lighting
MR16 GU5.3 Fitting Bi Pin Base Halogen Light Bulb Spot Light Replacement Ac Dc 24V Back Pin Lamp Bulbs for Boats, Yachts, Landscape Lighting or Any Low Volt Down Lights - Warm