Specifications:- Overall Dimension without Brackets(LxWxH): 20 1/16andquot x 4 3/4andquot x 9/16andquot (51 x 12 x 1.5 cm)- Extendable Range: 21 5/8"" to 29 1/2""(55 to 75 cm)- Led Quantity: 126 pcs- Voltage: Ac 100 to 240 V, Dc 12V / 2A- Power:24 W- Shell Material: Aluminum Alloy- Net Weight: 1.3 Lbs (0.6 kg). Package Contents:- 1x Led Aquarium Light- 2x Extendable Brackets- 1x Remote Controller- 1x Adaptor- 1x Manual