Description High Efficiency & Lower Cost: The Vivosun VS1000 LED grow light uses the latest high-efficiency (2.75μmol/J) LED plant light technology with premium full-spectrum diodes, providing uniform lighting and stronger light output; The energy consumption is only 100 watts, making it more efficient than traditional HID lights and other plant lamps on the market; It is perfect for covering 3 x 3 ft. area (4 x 4 ft. max) and lights can be absorbed better by plants Dimmable Ballast: This LED plant lamp has a dimming knob that makes it adaptable to different growing periods for various plants; The 4 levels of the adjustable dimmer can be used for sprouting to flowering; ​Designed with the daisy chain function (EXT), it allows you to connect multiple lights with 1 socket and reduce the number of outlets to avoid the mess; The slimmer style body allows for more types of plants All-In-One Combo: This inline fan combo includes everything you need to get your ventilation system set up in a grow tent, which is ideal for cooling down heat from lighting fixtures and controlling hot and humid conditions; Additionally it includes a thermometer/hygrometer that gives instant data about the environment condition; The US-Patented rope hangers are also a plus Powerful Inline Fan: The 4-inch inline fan runs at a speed of 2300 RPM and produces an air flow of 190 CFM, with a noise level of just 30 dB the maximum; Durable plastic fan housing and blades deliver great airflow at extremely low noise levels, and the variable speed controller makes it easy for you to adjust the fan speed Premium Carbon Filter: Interior and exterior m Sturdy Fabric Material: Made of 300g of thickened nonwoven fabric, these pots are moderately permeable, and BPA-free Item model number : VS1000 Date First Available : April 28, 2022 Manufacturer : VIVOSUN Customer Reviews: 5.0 5.0 out of 5 stars 3 ratings