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What type of light does it emit?
Energy-efficient LED light, ideal for ambient or nighttime lighting. It doesn't dazzle or irritate the eyes.
Is the keychain battery-powered?
The keychain uses 3 AG10 batteries (replaceable, the back screw can be unscrewed).
What material is the keychain made of?
it's mainly made of plastic, resin, and electronic components.
How big is the keychain?
It measures around 5 cm x 5.5 cm x 3 cm.