Tianguang G4 LED Capsule Bulb, 12V AC, 225 lm, 3000K
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Physical products only. $0.01 Lighting Upgrades do not count toward the quantity tier and are not discounted. No code is needed for these tiers.
Choose the correct replacement part
Use the selected variant and the specifications on this page to choose the part. Match the stated dimensions and the socket, fitter, thread, hole or connector used by the existing assembly.
For electrical parts, match the stated input and output, AC or DC supply, current or wattage limits, and control requirements. A matching shape or base alone does not establish electrical compatibility.
For decorative parts, compare the listed shape, size, attachment and grade with the part being replaced. Use the product description for the contents and quantity supplied.
If a required measurement or connection is unclear, contact support with the product link and the dimensions or label from the existing part before ordering.
Shipping Policy · Return and Refund Policy · Warranty Service · Contact Support
Sourced factory-direct from Tianguang’s Zhongshan factory, this G4 LED capsule bulb provides 225 lm of 3000K light at 2.5W, with CRI 80 color rendering.
A 2.5W G4 capsule for compatible low-voltage lighting, with 225 lumens of 3000K warm-white light. This version requires 12V AC and must be selected for the specific transformer and fixture.
Specifications
| Pack contents | 1 bulb per pack |
|---|---|
| Base / bulb shape | G4 / T4 |
| Power per bulb | 2.5 W |
| Light output per bulb | 225 lm |
| Color temperature | 3000 K |
| Color rendering index | CRI 80 |
| Input voltage | 12V AC Only |
| Overall size | 1.4 in long x 0.5 in maximum diameter (approximately 35.6 x 12.7 mm) |
Choose the right fit
- 12V AC only. Do not connect directly to 120V mains, a 12V DC supply or a constant-current LED driver.
- Select a transformer compatible with this LED load and the fixture. A transformer, dimmer and tested bulb-count range are not included.
- For standard on/off use. No dimmer combination is specified with this listing.
Price and pack contents
USD 4.54 for 1 bulb per pack, before applicable store discounts. The listed power and light output are per bulb, not per pack. Fixtures, sockets and accessories are sold separately.
U.S. shipping and product images
Ships to eligible U.S. destinations from Zhongshan, China. Delivery timing and service details follow our shipping policy. The product image is AI-generated; use the listed specifications and supplied installation instructions to select and install the product.
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Buyer questions
What light output and quantity do I receive?
The pack contains 1 bulb. Each bulb is rated at 2.5W, 225 lm, 3000K and CRI 80.
Does this G4 bulb use 12V AC or 12V DC?
It requires 12V AC only. Use a compatible transformer and fixture; do not connect it to 120V mains, 12V DC or a constant-current LED driver.
How much space does this G4 capsule need?
The capsule is 1.4 in long and 0.5 in maximum diameter. Match the G4 contacts, bulb clearance and the transformer’s LED-load requirements.
Read the specifications and compatibility notes for the selected part before use. Follow the component and equipment instructions; have electrical installation and connection work reviewed by a qualified professional.
Free shipping to the contiguous 48 U.S. states. No minimum purchase.
Standard orders: approximately 7 calendar days to prepare, then 21–30 calendar days in transit. Allow approximately 28–37 calendar days total.
Oversized curbside freight: approximately 45 calendar days in transit, or 52 days total with standard preparation.
Custom production time: contact customer service; our team will reply after reviewing your message.
Export/import customs clearance, import duties, and import taxes included. Applicable sales tax is shown at checkout.
Eligible return requests must be submitted within 30 days. Buyer’s-remorse returns require written authorization; the customer purchases a trackable return label and pays return shipping. Confirmed damaged, defective, missing, or incorrect items may be resolved with parts, replacement, repair guidance, or a refund; if a return is required, we arrange or cover the appropriate return shipping. No restocking fee. Approved refunds are processed within 10 business days. Separately purchased expedited, special-freight, white-glove, storage, re-delivery, and similar service fees are non-refundable.
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Free U.S. standard delivery
No minimum to the contiguous 48 states. Standard orders: approximately 7 calendar days to prepare, then 21–30 calendar days in transit. Allow approximately 28–37 calendar days total. Oversized curbside freight: approximately 45 calendar days in transit, or 52 days total with standard preparation. Custom production time: contact customer service; our team will reply after reviewing your message. Export/import customs clearance, import duties, and import taxes included. Applicable sales tax is shown at checkout.
Shipping details30-day return support
Written authorization is required. There is no restocking fee; preference-return postage is the customer’s responsibility.
Return details2-year limited warranty
Covers eligible manufacturing defects under normal residential use for 2 years from delivery. Contact us with your order number, issue details, and photos or video to request service.
Warranty details · ContactOperated by TIANGUANG CROSS-BORDER E-COMMERCE LIMITED, a Hong Kong-registered trading company · BRC No. 80039146-000-03-26-4
Orders ship from Zhongshan, Guangdong, China. The Hong Kong registered office is not the shipping origin or a return address.