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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Grand Master LEDs Master 6 Veg 660W LED Grow LightDescription Top Features: Designed for Commercial production, vertical racks, low ceilings and grow tents IP 66 Waterproof Folding Design for fast and easy installation Knob Dimming Recommended to be controlled with the Grand Master Controller Inventronics EUM 680 5 Year Warranty Specifications Max Wattage: 660W 240V Voltage Range: 120 277 Volt and 480V available Vegetation Footprint: 5' x 5' System PPF Efficacy: 2. 71 umol joul Total output: 1815 PPF
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1266 reviews
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Product Reviews
★★★★★ 5
Good watch
Color: Black/Black/Digital
Bought for my 8 yo, durable
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Reviewed in the United States on October 19, 2025
★★★★★ 5
As expected
Color: Gray/Gray/Digital
Just an old school digital timex. Tried and true. Has both 12hr and 24hr function on the time setting. Has a standard stop watch and timer. The battery is great, just as it always is on a timex. Good water resistance and very easy to use. Overall very good watch for the price!
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Reviewed in the United States on July 6, 2025
★★★★★ 2
Can’t read numbers
Color: Gray/Gray/Digital
Numbers are too small to tread on a 44mm watch
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Reviewed in the United States on May 5, 2026
★★★★★ 5
W
Color: 2926 Gold Stainless Steel/Gold Dial
I absolutely love these watches! They are built like a tank. They can take a lot of abuse and still keep great time. I originally was going to buy just one to replace my old watch. Ended up buying several of them. Great gifts. The watches are beautiful and elegant, and I feel like a thief when I buy them because the price is so low I think its a typo. I have gotten several compliments on them when I wear them. I have busted up concrete and cleared heavy terrain ,cleaning areas out, wipe then off and they look Like I just took them out of the box. The only thing, and it's not a big deal to me.But the glow in the dark arms don't last long. They even give you the tool to adjust the wristband. Who does that🤣 The Quality of these watches are phenomenal BUY ONE! You won't be disappointed.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Very handsome well-made watch comfortable to wear.
Color: 5885 Siver Stainless Steel/Blue Dial
Very handsome watch. At first glance, it resembles a Rolex. In two days I’ve gotten multiple compliments. Several have asked if it was a Rolex. That’s hardly what I was going for, in fact I had to look up Rolex watches to see what was being referenced. The watch fits very comfortably.
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Reviewed in the United States on February 15, 2026