IR Light

The weak red bulb is not damaged. It is IR, It can help plants to have a good yield. At the same time, they are more expensive than other bulbs.

The light of the IR is infrared, which can promote plant blooming. You can't see them without sunglasses.

How to Distinguish True and Fake SAMSUNG Diodes?

Compare to Other Products on the Market

Spider Farmer has our own factory and production capacity. We can control every procedure from raw material to finished products and after-sales

Each light is designed with 72 hours durability tests and multiple times of QC tests.

Spider Farmer LED is applied with Authorized Samsung diodes and MeanWell Driver. Don't Cheat by Lmitations !!!

SF4000 Specifications

Model: SF4000 LED Grow Light
Chips Brand: SAMSUNG
Max Yield : 2.5g/watt
Veg Footprint: 5x5ft
Flower Footprint: 4x4 ft
DB: OdB
Humidity <90%
Lifespan: 55000H
Input Voltage: AC100-277V
Lumen: 76491Lm±5%@AC120V, 7087Lm±5%@AC240V, 6943Lm±5%@AC277V
Amp: 3.70A@AC120V 1.90A@AC240V
Draw power: 450W±5%@AC100-277V

Q&A

1.Are these items authentic Spider Farmer?
Re:Yes,they are 100% real and authentic of Spider Farmer. We directly get them from factory with excellent quality and competitive price more than 7 Years.
2.Sometimes, I turn off my light, it can't be completely extinguished, it’s normal?
Re: it’s normal, can’t affect the light work, just due to the voltage difference, if you mind it, can unplug it when you don’t use it.
3.What can I grow with your led grow lights? Great for all stages?
Re: SF lights are great for all types of plants such as tomatoes, lettuce, peppers, medical plant, herbs, bonsai, fruits, etc. Our lights can be used in all growing stages from seedling to veg to flowering and harvest.Application: Seeding / Breeding/ Veg/ Flower/For all planting stages / Green Vegs / Flower Plant / Fruit Plant / Herbs / Medical / Meat Plant /Hydroponics / Horticulture / Indoor plants / Greenhouse Lighting / Pot Culture / Farm / Water Soluble Breeding / Pipeline Cultivation/Exhibition / House Garden / Bonsai / Home / Commercial Crops / Project / Personal Growing / Urban and University Research ect.
4.What decide your harvest?
Re:Many factors will affect plants growing, like spectrum, PAR value, real power draw. Many growers say 30-50 watt per square foot is an ideal figure to get decent harvest when they grow medical plants.So please don't be mislead by high led power, but ignore the real power draw of led grow light.
5.For larger areas should I go with a single large panel or multiple medium to small lights?
Re:Using multiple lights allows you to better distribute the intense light in more areas of the grow space instead of having all of the higher intensity light concentrated in only one area while the outer edges never receive intense light.
6.Can I grow plants with my HPS together with LED?
Re:Yes, you can, with a ratio of LED and HID/HPS of 2:1 or 1:1, you can get better growing result, bigger and higher quality buds.
7.If I don’t like the light, can return it for free and get full refund?
Re: According to our new return policy, if the light was broken by itself, you can return it for free. If you return the light due to personal reason, we only bear a half shipping fee. And for all refund, we can’t afford transfer fee.
8.Goods delivered, but I didn’t get it, how should I do?
Re: If the shipping address is correct, please kindly contact your shipping service center with the tracking number. Cause we are in China that we cannot contact your local service center.
If they can’t help, please submit your case number and the “unsigned certificate” to us , notice that your name and date should be written by your handwriting. And then we will appeal to the post office immediately. It will take 7 days to get reply, we’ll send you feedback once we were informed.
9. Lamps temperature recommendations：
Re：The ambient temperature should be maintained below 30 degrees Celsius, and it's normal the lamp shell temperature below 75 degrees Celsius. If you find that the temperature is too high during usage, check the ambient temperature, and then remove the power supply to the outside of the tent, increase the fan above the lamp.