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Anonymous users2024-01-23There are generally two situations of sizzling sound, 1, coil, abnormal work, heavy load, and poor quality itself can lead to this situation. 2. If the contact is poor, it will also make a sizzling sound. It is recommended that the night light be plugged in to see the situation.
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Anonymous users2024-01-22Transformer noise, capacitor failure, low temperature, etc. Generally inferior products.
If the product sold is good, you can earn the first money. But copying can be serious, that is, if your product sells well. Soon, a large number of people followed the trend and bought the goods. So you have to keep digging for new products.
They all use small table lamps with batteries.
It can be caused by capacitive discharge in the LED power supply. >>>More
If it's very ordinary, it's less than 30 yuan, and if it's a little better-looking, it's about 60 yuan. If it's good-looking and power-efficient, it will cost about 100 yuan.