MR11 4w DIM led Spot Light is lighting with the size of the cup.
MR11 4w DIM Led Spot Light Cup points not connected with 12V and 220V transformer transformer, such as you are, then spotlights with transformer.
What you need is 12V 35W MR11 halogen lamp cup.
Lampholder two pins at different distances, MR11 4w DIM led Spot Light feet away from the common general 4mm; MR16 lamp pin pitch is generally 5.3. Some lamp base jacks are oval, light bulbs foot distance 4,5.3,6.35 apply; some lampholder socket is circular, applies only to one kind of bulb from the feet.
Low-voltage MR11 4w DIM led Spot Light constant current drive, wall lights, spot lights, buried lights, underwater lights, automotive lighting
Mingxue Optoelectronics Co.,Ltd. has apply the I S O 9 0 0 1: 2 0 0 8 international quality management system certificate, For MR11 4w DIM led Spot Light, we apply the CE, RoHS and SAA certificate for our led lighting product.
MR11 4w DIM led Spot Light Mr11 4W Dim Spot Light,Cob Mr11 4W Dim Spot Light,Bedroom Mr11 4W Dim Spot Light,Kitchen Mr11 4W Dim Spot Light Shenzhen Mingxue Optoelectronics CO.,Ltd , https://www.led-lamp-china.com
As an important city in the country to promote low-carbon environmental protection, Shanghai has previously achieved significant results through subsidies for energy-saving lamps. This year, it began to pilot the free experience of LED bulbs in Hongkou District. 
Spotlights lights Cup MR16 and MR11 are divided into two, the former is the headlight cup, which is a small lamp cup
â—† industrial low-voltage lighting drivers
â—† Low voltage industrial lighting
â—† LED back-lighting
â—† Backlight LED Driver
â—† emergency lighting system
â—† LED driver
â—† a variety of low-voltage equipment need constant current drive
Recently, Shanghai Lighting Electrical Appliances Industry Association, Hongkou District Commercial Committee, Hongkou District Street of Hongkou District, and other Shanghai-based “LED Bulbs Entering Shanghai Residents Community Charity†activities entered the Oasis Bauhinia Garden Community in Hongkou District. Give a free Delixi experience LED bulb to the community residents.