4ft LED Shop Lights, 28W T8 Double-Sided Tube, 6500K Cool White, R17D Rotatable Base, Ballast Bypass – Ideal for Commercial Signs and Indoor Lighting
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The Smart LED 4FT 28W LED Tube Light is engineered for powerful and reliable illumination in commercial, signage, and industrial settings. Featuring a double-sided design and a 360° rotatable R17D base, this advanced LED tube provides uniform light distribution with increased coverage, making it ideal for advertisement signs, shops, garages, and warehouse applications.
Delivering over 110 lumens per watt, this tube light offers significant energy savings—cutting up to 80% of lighting costs compared to outdated fluorescent systems. It operates without delay or flickering, ensuring instant-on performance that protects your eyesight and improves lighting efficiency.
Designed for ballast bypass installations, the tube connects directly to standard power supplies (100-277V), simplifying retrofitting and reducing long-term maintenance. Its aluminum build ensures durability, optimal heat dissipation, and extended life, rated at over 50,000 hours of use.
Whether you're upgrading a signboard or outfitting a workspace, the Smart LED 4FT 28W LED Tube Light combines energy-saving performance with quality craftsmanship for professional-grade lighting.
Technical Details:
| Feature | Details |
|---|---|
| Brand | Smart LED |
| Model Number | ZST8D4FT28W |
| Light Type | LED |
| Wattage | 28 Watts |
| Lumen Efficiency | 110+ lumens per watt |
| Light Color | Cool White |
| Color Temperature | 6500 Kelvin |
| Voltage Range | 100-277 Volts |
| Base Type | R17D, 360° Rotatable |
| Cover Type | Clear |
| Design | Double Sided, 120° Beam Each Side |
| Special Feature | Not Dimmable |
| Material | Aluminum |
| Power Source | Corded Electric |
| Installation | Ballast Bypass |
| Average Life | 50,000+ Hours (Approx. 18 Million Seconds) |
| Usage | Indoor & Outdoor Both |
| Ideal For | Advertisement Signs, Garages, Workshops |
| Batteries Required | No |
| Included Components | LED Tube Light |
| Style | Modern |
| Manufacturer | Smart LED |
| Is Discontinued | No |
Shipping Policy
Order Processing
At Smart LED, all orders are processed within 1–3 business days. Orders placed on weekends or public holidays will be processed on the next business day.
A shipping confirmation email with tracking details will be sent once your order has been dispatched.
Shipping Rates & Delivery Times
We offer reliable shipping options both locally and internationally:
Standard Shipping: 5–10 business days
Express Shipping: 2–5 business days
International Shipping: 7–14 business days
Delivery times are estimates and may vary due to courier delays or customs.
Order Tracking
Once your order is shipped, you will receive a tracking number via email.
Please allow 24–48 hours for tracking information to update.
Customs, Duties & Taxes (International Orders)
International customers are responsible for any customs fees, duties, or taxes that may apply.
Incorrect Shipping Address
Smart LED is not responsible for delayed or lost packages due to incorrect shipping information provided by the customer.
Lost or Delayed Shipments
If your shipment is delayed or missing, contact us and we will assist in coordinating with the courier.
Returns & Refunds Policy
Return Window
We accept returns within 14 days of delivery. Items must be unused, in original packaging, and in resellable condition.
Proof of purchase is required.
Non-Returnable Items
Clearance items
Gift cards
Customized products
Items marked final sale
How to Request a Return
Email us with your order number and reason for return.
We will share return instructions.
After receiving and inspecting the return, we will process a refund if approved.
Return shipping costs must be covered by the customer unless the product is damaged or incorrect.
Damaged or Incorrect Items
If your item arrives damaged, defective, or incorrect, notify us within 48 hours with photos.
We will arrange a replacement or refund.
Refund Processing
Refunds will be issued to the original payment method within 5–10 business days.
Shipping fees are non-refundable.
Exchanges
Contact us if you would like to exchange an item. Exchanges depend on product availability.
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