| 摘要 |
This product is a simple lighting device that attaches to most keys. The compone nts of the lighting circuit are embedded into the body of the product. As a result this device is designed as a waterproof and inexpensive disposable product. Actuation of the li ght occurs as a result of squeezing both sides of key together. The user now has illumination to aid inserting the key into its matching lock.
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