Transformer 21W: The LED Garden Plug & Play system's lights are powered by a transformer that converts voltage from a 230V wall socket to the system's 12V. Choose this transformer when the total wattage of your LED Garden Plug & Play lights is up to 21W. For optimal performance and longevity, do not fully load the transformer. It is recommended to leave 10–15% of capacity unused. This compact transformer plugs directly into a 230V socket. - 230–240V / 50Hz - 12V AC - 1.67A - 21VA - CE marked - IP44 rated Note: Updated 12V connectors have been introduced on LED Garden Plug & Play cables in compliance with revised EU directives (refer to product images). Transition connectors are available for integrating new components with older systems.