The Kessil A160WE Tuna Sun LED for freshwater aquariums is a powerful and penetrating light source with wide coverage. The average penetration of an A160WE is 24" to 30" (60-75 cm) for most plants. Penetration can be further enhanced by positioning multiple units in close proximity to each other. Technical Specifications: Spectrum:6,000 to 9,000 K Coverage: Up to 24" (60 cm) surface diameter Power Supply: 100-240V AC (input), 19-24V DC (output) Power Consumption: 40 W Dimensions (H x D): 4" x 2.48" (102 x 63 mm) Weight: 0.69 lb (320 g) Scope of delivery: 1x A160WE Tuna Sun LED 1x DC Power Supply 2x Gold Metal Hook 1x A160/80 Bracket 2x Hanging Bracket