‎8.23 x 3.31 x 1.81 inches

24/7 LIGHT CYCLE: Choose a lighting duration then automate your aquarium light without intervention.No matter sleeping ,traveling or busy with work,hand free. 3 LIGHT MODES: LED Aquarium Lighting features 3 light mode (full spectrum,white+red,blue).It is not only create a light that mimics the natural underwater effect of sunlight, but also allow for aquarium night time enjoyment. CUSTOMIZABLE INTENSITIES: 5 levels of intensities (10%, 25%, 50%, 75% and 100%) and the Sunrise & Sunset mode which prevents light shock to your fish pet. Adjust the brightness to suit your need,no more worry too bright.