Exo Terra TerraSky Planted Terrarium Light Best Seller and has a programmable minimum/maximum

and has a programmable minimum/maximum memory setting which can be controlled with a single button

Adding more or less of the pigment will determine how dark or light the colour is

Digital Seconds Timer ST-24 - with instructions

which makes this fixture more energy efficient then conventional fixtures

Exo Terra TerraSky Planted Terrarium Light Best Seller and has a programmable minimum/maximumPlanted Terrarium Light The TerraSky Planted Terrarium Light is ideal for planted setups, paludariums and bioactive terrariums. The high intensity and enhanced penetration ensure that the light reaches all layers of the terrarium, resulting in sustained lush plant growth. Orchids, Bromeliads, Tillandsias (air plants), carnivorous plants, mosses and lichen all thrive under the TerraSky Planted Terrarium Light's strong Photosynthetic Active Radiation