Lamp wick of this air tap light all send blue light.

Instructions for use: this product is a hand switch, that is, when the hand is tightened, it will light up, and when it is loose, it can save electricity when it is not in use. Comes with converter, suitable for American mouth and British mouth

this price is a price. The package of this product is 1 card and 2 pieces are packed. Buy one without packaging! Dear friends, you can see clearly and buy a pair when you buy it.

Battery: use 3 AG10 button batteries