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- A LED Keychain light has a single bulb.
- Shown here is a Ultra-Violet LED.
- A LED Keychain has a wide angle beam.
- Turn it on by squeezing for a moment of light or by sliding the switch on the back for contunious light.
- The one cell battery can be replaced but it probably cost more than the LED Keychain. It will be better to replace the LED Keychain.
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