Controllers or starter units are required when you wiish to use fluorescent tubes in your vivarium. These are available in a wide range of different wattages to suit different tube lengths.
Controller units are required if you wish to use T5 fluorescent tubes in your enclosure.
The Arcadia Reptile Ultraseal lamp holders offer both keeper and animal total security against dangerous water ingress. To comply with the new waterproof lighting regulations we have designed and made this system to be IP67 or waterproof. This does however mean that the lamp holders must be tight.