Specifications:- Overall Dimension(Dia.xH): 3 1/4" x 13/16" (8.2 x 2 cm)- Fits Ceiling Cut-out Dia: 2 3/4" (7 cm)- Voltage: 110 to 265 V- Power: 3 W- Cri: 85+- Luminous Flux: 240 lm- Color Temperature: 3000 to 3500 K, 4000 to 4500 K, 6000 to 6500 K- Led Lifespan: 50,000 hrs- Material: Aluminum, Acrylic- Net Weight: 0.22 Lb (0.1 kg). Package Contents:- 12x Led Ceiling Lights- 24x Spring Clips- 1x Manual. Notice: - Please note that the thickness of the light is 13/16'' and make sure the wall thickness is within the range to install ceiling lights.