How can you use 220V electricity directly for the colorful night light

ED should be high-brightness, astigmatism should be brightness of more than 1200mcd, angle should be 120 degrees, and concentrating type should be brightness of more than 20000mcd. Voltage and current 20mAGenerally, the pins of LEDs are very long, in order to facilitate soldering, use needle-nose pliers or diagonal pliers to pre-cut the pins and leave 3mm pins. >>>More

You're selling it there, and you can earn a few bucks by selling one, so if you can't, change your career.

No, the bulb is emitting light and not emitting radiation. Feel free to use it.

The case is plastic or PC

Generally speaking, 5-10 yuan will be more appropriate. If it is a new place, the high consumption can be sold for 8-10 yuan. If it's been sold for too long. It is necessary to consider reducing the price or exchanging it for the Junyao night light. Hope it helps.