Specifications:- Each Light String Overall Dimension(LxWxH): 13 3/16"" x 9/16"" x 1/4"" (33.5 x 1.4 x 0.7 cm)- Input Voltage: 100 to 240 V- Adaptor Output Voltage: 5 V- Power: 20 W- Led Number: 192- Led Lifetime: 50,000 hrs- Overall Luminous Flux: 1600 Lm- Light Color: Warm White- Ip Rating: Ip 65- Material: Aluminium, Abs- Net Weight: 0.55 Lb (0.25 kg). Package Contents:- 1x 4-Strip Grow Light- 1x Adapter- 9x Cable Ties- 5x Double-sided Tapes- 17x Screws- 1x Manual