General description Your plants' great partner! Our 4-piece 11.8 inch x 3.1 inch plant lamps are made of pure aluminum alloy with excellent heat dissipation. They cover a larger illumination area, significantly improving light coverage and planting efficiency. Technical specifications Number of LEDs: 540 Wavelength: 380nm to 780nm Voltage: AC 100-240V Dimensions: 11.8 inch x 3.1 inch Allowed measurement error: +/- 1-3cm Compatibility and accessories Suitable for all plants at all growing stages, including herbs, succulents, and orchids. Plug Type: US Plug (compatible with Canada, India, Mexico, Thailand, the Philippines, etc.) Usage 3 Lighting Modes: Two lights on, white light warm light infrared light on, or all lights on, allowing you to control the light coverage freely. Helps your plants grow vigorously year-round by providing the proper light intensity they desire. Other information Note: Light reflection and different displays may cause the color of the item in the picture to