This kit contains: Power Supply: 2 amp plug top switched mode digital power supply (transformer) suitable for powering 40 12 volt dolls house type bulbs. 1.8 m output lead fitted with standard 2.1 mm male plug. Connectors: (Connectors have a self adhesive backing) 2.1 mm Female socket to screw terminal block (the green and black block) 12 Way fused connector strip with ON/OFF switch (shown at top of image) 6 Way fused connector strip with ON/OFF switch (shown at bottom of image) 2x 3 Way connector block with wired connecting plug (shown in bottom left of image) 8x Single Connector with Wired connecting plug (shown on the top left of image Wire: 50 ft reel of wire the same type as used on most dolls house light fittings