Description

One-of-a-kind ring with luminous tubes powered by Tritium radioluminescent gas. Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light.

Without the need of batteries or power sources, Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the process of phosphorescence.

The overall process of using a radioactive material to excite a phosphor and ultimately generate light is called radioluminescence. As tritium illumination requires no electrical energy, it has found wide use in applications such as emergency exit signs, illumination of wristwatches, and portable yet very reliable sources of low intensity light which won't degrade human night vision.

As long as you don't use a tool to crack the ring open, Tritium radioluminescence is 100% safe and causes no harm.

Available in different sizes to perfectly match your finger. See the size chart below to find the correct size for you.

NOTE:

1. This made-to-order item is made on demand and takes 14 days to ship after order confirmation.
2. We do not offer any kind of return, cancellation or refund once orders are confirmed. No returns/No refunds after orders are shipped.
3. Do not crack the ring open or try to break it apart.
4. For manual finger size measurement, tolerance is 1-3 cm. See size chart for more details.
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Highlights

Details

Light Type	Tritium Radioluminescent Luminous Gas
Material	Stainless Steel, Glass, Tritium
Sizes	See Size Chart
Waterproof	Yes

Size Chart

Ring Size (US)	Diameter (mm)	Perimeter (mm)
7	14.5	50.4
8	14.9	51.6
9	15.2	52.7
10	15.6	53.6
11	15.9	54.8
12	16.3	55.6
13	16.6	56.7
14	16.9	58
15	17.1	58.8
16	17.6	59.8
17	17.9	60.7
18	18.2	62
19	18.7	63
20	19.2	64.1
21	19.5	65

Tips: Measure your finger in warm temperatures at the end of the day. Use a very thin thread to measure at least 3 times to obtain more precise results.

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