This LED lighting range is Bluetooth ready and can connect straight to a smart phone or tablet via the free Aqua Smart App which has a range of features including: Instant controls, Instant weather & Instant timers. Also able to create bespoke pre-set programmes, then save, demo, play or delete the saved pre-sets. As well as group multiple Aqua Smart device’s together, or create multiple group's and change device's name's & group name's and get help & support, all controlled from your smartphone via Bluetooth.Key Features: Connect directly to the Aqua Smart LED App via your smart phone or tablet with a range of features including sunrise & sunset timers, weather & storm settings and other special effects Advancements in LED technology have created increases of over 100% more brightness and 50% greater running efficiencies compared to standard T5 & T8 fluorescent lighting Unique multi-fit adjustable end brackets with screws, allows Aqua Smart LEDs to be retro-fitted to the underside of any aquarium hood or placed onto the edge of the aquarium, IP67 watertight White LED provides a balanced spectrum bringing out the best in the colours of your aquarium plants and fish; red LED maximises plant growth potential; blue LED provides cool blue moon viewing and night time ripple effect The Aqua Smart LED also comes with T5 & T7 lighting adaptors to enable direct instalment into an existing T5 or T8 lighting unit Size Specifications: Interpet Aqua Smart LED- 13.5w 38-59cmWattage : 13.5wLEDS: 56W,14R,14BRecommended Aquarium Size: 38-59cmInterpet Aqua Smart LED- 24w 59-80cmWattage : 24wLEDS: 98W,28R,28BRecommended Aquarium Size: 59-80cmInterpet Aqua Smart LED- 27.5w 80-101cmWattage : 27.5wLEDS: 112W, 35R, 35BRecommended Aquarium Size: 80-101cmInterpet Aqua Smart LED- 33w 101-122cmWattage :33wLEDS: 140W, 42R, 42BRecommended Aquarium Size: 101-122cm Interpet Aqua Smart LED- 37w 122-143cmWattage : 37wLEDS: 168W, 49R, 49BRecommended Aquarium Size: 122-143cm