640 Watt LM301B Samsung Grow Lights 4x4 LED Grow Light Full Spectrum Hydroponic
BYS 640W 8 Strips Dimmable Full Spectrum LED Grow Light Bar:
Specifications |
Model No. | BYS 640W-1 |
Actual Power | 640W±5% |
Efficacy | 2.9µmol/J |
LED Driver Brand | Inventronics (Dimmable Driver) |
LED Chip Brand | Samsung (2835 / LM561C / LM301B) |
Spectrum | Full Spectrum + 660nm |
Emitting Color | Warm White + Deep Red (660nm) |
Dimming Options | Remote Control / RJ Ports / Knob Dimmer |
Color Temperature (CCT) Options | 3000K / 3500K / 4000K / 6500K |
Footprint | 4ft*4ft |
Input Voltage | AC85-277V |
Working Frequency | 50~60Hz |
Lifespan | >50,000 Hours |
Product Size | 39.37*39.37*3.54in / 100*100*9cm |
OEM / ODM | Welcome |
Warranty | 3 Years |
What are the advantages of this light? |
1. Great metallic texture and anti-jamming ability |
2. High efficacy of 2.9µmol/J and high PPFD value |
3. Fanless and noiseless design, best for indoor plants |
4. It's 640watt and with dimmable function, remote control or knob dimmer or rj ports added. The remote control has 3 functions as below: 1) ON/OFF 2) Dimming 3) Timer Besides, 1 remote control can control 500 lights maximally. The purpose of remote control is to offer convenient use to growers |
5. Large footprint and very well-roportioned light covering |
6. Use Samsung top bin LEDs, ultra high PPFD, replace HPS 600W and 1000W perfectly |
7. Full spectrum and 660nm added, great for vegetative stage and flowering stage |
8. Effective light spectrum brings proper wavelengths that are beneficial to plants |
9. No flickering technology: higher quality of LED light source, and more conducive to plant absorption and healthy growth |
10. Stable performance and long service life more than 50,000 hours |
11. Waterproof UL listed connectors & cords for much safety |
12. Very easy installation and use |
Package Content |
1 * LED Grow Strip Kit |
Warm Reminders:
1. This light is dimmable, it has remote control, rj ports or knob dimmer for option, and their prices are same.
2. The video shows the 12 strips (960W actual power), but this light has 8 strips and 10 strips for option, and the detailed specifications & prices are for the 8 strips one (hottest deal).
3. For LED chips, there are Samsung 2835, lm561c, lm301b and lm301h for option, and their prices are different.
4. Please feel free to contact us if you need other change of this light such as adding rj12 / rj14 port or other function. Customized design is warmly welcome to meet your needs.
PPFD Value:

BEYOSUN is specialized in led grow lights since 2016, we have been working hard on designing and manufacturing various desirable and cost-effective led grow lights to help growers grow healthier plants and get higher yields with lower costs. BEYOSUN has different kinds of lights to satisfy different needs from our customers, and experienced & cost-effective solutions will be offered. We’re always staying focused, practical and considerate.
BEYOSUN team cares about what you care about, we look forward to offering help.
1. Strong R&D and production capabilities
2. Well-equipped facilities for research and testing
3. Reliable quality and high performance price ratio
4. Offer experienced customized services to customers
5. Satisfying and Cost-effective solutions will be offered
6. Professional sales and after-sales technical support
7. One-stop service available to help customers save time
8. 100% value users' concerns, feedbacks, suggestions etc.
Q1: What are the advantages of led grow light?
A1: Low heat, high efficiency, low HVAC costs, long service life etc. Use little electricity and produce healthier plants with superb taste and scent.
Q2: Is a sample order available or what’s your MOQ?
A2: Yes, sample order is available, and our MOQ is 1 unit. Mixed samples are also available.
Q3: How long is the lead time?
A3: 1-3 days for sample order, 1-2 weeks for bulk order.
Q4: Is it OK to print my logo on the led grow light?
A4: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
Q5: Do you offer guarantee for the products?
A5: Yes, we offer 3 years warranty for our products.
Q6: How to deal with the damaged products?
A6: Firstly, our products are produced in strict quality control system and the defective rate is less than 0.2%.
Secondly, during the warranty period, the repair parts will be sent to you to replace the damaged ones, or we can discuss together for a good solution according to the actual situation.
Please feel free to contact us if you have any other questions or concerns, BEYOSUN team is always here to help.