(800) 660-8319 
GSI 1 Controller for X2 Commercial LED Grow Light
The GSI1, Grow Strong’s digital lighting controller, connects with over 500 X2 grow lights across two zones using standard telephone cables. This compact unit can control lights as far as 1,000 feet away with no start-up surge. and simulate sunrise and sunset, gradually warming up your plants. It also features brown-out/black-out detection and timing for optimal light restart, a built-in clock and 30-year rated battery backup. The GSI1 knows when temperatures in your indoor garden are too high and caN automatically respond by dimming your lamps to mitigate environmental stress and plant damage. Output power can be fine-tuned up to 750W in 10% increments.
- Free shipping on all orders over $175 in the continental US and internationally for select brands.
- Estimated Arrival: Between Jul 7 and Jul 14.
- Tracking info will be provided (via email) within 24 hours of shipment.
- Easy returns for up to 90 days, depending on brand.
- Our shipping and returns page has more details, including return info for individual brands.
Warranty Information
You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.
10 Reasons to Trust Us With Your Business
- Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
- Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand (details at the bottom of this page).
- Price Match. We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase (details here).
- Discreet Insured Shipping. All orders ship via FedEx, UPS, DHL, USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.
- Hassle-Free Returns. We always adhere to the manufacturers' return policies (details on each manufacturer at the bottom of this page).
- Free Shipping on orders over $175 to the lower 48 states.
- No Sales Tax Anywhere, except NJ, and CA for some brands.
- Authorized Dealers. We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.
- Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, as well as rosin presses and bud trimming machines, to help you find the perfect light or press for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
- Safe & Secure Systems in place for every payment transaction.
The GSI1, Grow Strong’s digital lighting controller, connects with over 500 X2 grow lights across two zones using standard telephone cables. This compact unit can control lights as far as 1,000 feet away with no start-up surge. and simulate sunrise and sunset, gradually warming up your plants. It also features brown-out/black-out detection and timing for optimal light restart, a built-in clock and 30-year rated battery backup. The GSI1 knows when temperatures in your indoor garden are too high and caN automatically respond by dimming your lamps to mitigate environmental stress and plant damage. Output power can be fine-tuned up to 750W in 10% increments.
- Free shipping on all orders over $175 in the continental US and internationally for select brands.
- Estimated Arrival: Between Jul 7 and Jul 14.
- Tracking info will be provided (via email) within 24 hours of shipment.
- Easy returns for up to 90 days, depending on brand.
- Our shipping and returns page has more details, including return info for individual brands.
Warranty Information
You may be wondering why you should buy your grow lights from us, instead of other available authorized dealers. Read on for the answers to all your burning questions.
10 Reasons to Trust Us With Your Business
- Customer Service. We are here to help and want the best for you. Use our live chat or email or call us during business hours. We are always here for you.
- Full Warranties and Generous Return Policies. We only carry top American brands that back their products with full warranties and return policies of up to 90 days, depending on the brand (details at the bottom of this page).
- Price Match. We want you to be absolutely secure that you're getting the best price with us, so we will not only match a lower price you find online before purchase, but will even refund you the difference up to a month after purchase (details here).
- Discreet Insured Shipping. All orders ship via FedEx, UPS, DHL, USPS, or a reputable freight company and the shipment is always insured, so you do not have to worry about a lost or damaged package. You also don't need to worry about prying eyes: all orders ship discreetly.
- Hassle-Free Returns. We always adhere to the manufacturers' return policies (details on each manufacturer at the bottom of this page).
- Free Shipping on orders over $175 to the lower 48 states.
- No Sales Tax Anywhere, except NJ, and CA for some brands.
- Authorized Dealers. We only carry American brands whose lights and other products have been extensively tested by real growers and processors. 100% US warranty on all products.
- Buyer's Guides. We have created buyer's guides for both HID and LED grow lights, as well as rosin presses and bud trimming machines, to help you find the perfect light or press for your needs. We also have reviews and comparisons of the top 1000w LED grow lights and the top 600w LEDs.
- Safe & Secure Systems in place for every payment transaction.
