Specifications:- Overall Dimesion(LxWxH): 4 15/16"" x 4 5/16"" x 13/16"" (12.5 x 11 x 2 cm)- Side Length: 2 9/16"" (6.5 cm)- Adhesive Tape Diameter: 13/16"" (2 cm)- Power Cord Length: 57 1/2"" (146 cm)- Input: 110 to 240V, 50 to 60Hz- Output: Dc 12V, 2A- Power(1 Panel): 2W- Luminous Flux: 26 Lumens- Lifespan of LEDs: About 50,000 hours- Net Weight: 3.3 Lbs (1.5 kg). Package Contents:- 10x Smart Light Panels- 1x Adaptor- 15x Adhesive Tapes- 1x Manual. Notice: - It is recommended to stick the light on wall with sleek surface (such as ceramic, glass or wooden wall) for tight installation. - Please note that it may cause surface damage for painted wall if you took down the light.