Improved Lighting: The hydroponic planting system utilizes the latest SMD LED technology and full-spectrum lighting to deliver the essential light energy and optimal temperature for vegetable growth, facilitating rapid germination and development.  3 Operating Modes: Choose from 12/14/16-hour operation cycles. Simply press the switch to turn on the lights and cycle through the modes. For Memory Mode, long-press the switch until the indicator light flashes—this mode retains your selected timing settings even if the main power supply is interrupted.  Silent Automatic Water Circulation System: Employing advanced deep-flow technology and an integrated automatic circulation pump, it generates regular water flow, creating an ideal ecosystem for plant roots.  No Need for Constant Watering: Equipped with a 4L large water tank and a proprietary nutrient formula, this indoor herb garden requires only a single watering to achieve 18 days of self-sufficiency, leaving you astonished by its efficiency.  Adjustable Height: Customize the height of the hydroponic planting system to accommodate the growth of your vegetables. Description: Name: Hydroponic planting machine Color: White Plug specification: US Plug Transformer: 12V 2A Number of LEDs: 139 LEDs Power: 20W Product size: 39 x 19 x 17cm Packing list: Hydroponic planting machine x 1 Adapter x 1 Planting basket x 12 Peat soil x 12 Insulation cover x 12 Solid fertilizer x 2 Instructions x 1 Note: Due to manual measurement, please allow an error of 1-3 centimeters. Thank you. Due to objective reasons such as the screen, there may be some color difference. Please understand.