Details of Lights: The Stainless Steel surface has a special spray coating that can pass the salt spray test for 300 hours without rusting. High Quality Stainless Steel 12 Volt Garden Up Down Light. Each light is rated at 3 Watts ( which is equivalent to a standard 30 watt bulb. ) Height 17.5 cm Diameter 7.5 cm Colour of LED : Cool White The connection block is located in the wall mounting plate of the light. These Lights are 12 volt so will need to be connected to a 12 volt power supply. ( Either 12 volt AC or 12 volt DC ) Please see my other listings for suitable items. Below are pictures of a customers garden who has used various lights available from my ebay shop.