What's best wattage for UV LED nail lamp?

When you start using a nail lamp for curing nail gels, will stuck and thinking which is the best wattage for them. Now market ones including 3w 5w 6w 12w 24w 36w 48w 72w 90w even 160w. 

 
Actually LEDs bulbs affect the cure speed,no matter how much wattage have described on introduction or lamp every bulb wattage is around 0.8-1.5w, this is highest standard in whole industry,such as 3 pcs LEDs it is true 3-5w lamp when use a matched power adapter. My LED bulb in bedroom is 15w it shining so bright.You can image how powerful is the 160w led lamp.
 
Low voltage lamps cure speed is lower,and most professional dryers will be 24w 36w 48w which suitable for nail salon and expert. For personal use we suggest a portable lamp it could be more convenient.
 
As a wholesaler of UV LED lamp and sold lots of them, Most items are popular to different areas,no best one just the one match your needs.
 
Q: Does the UV lamp need to be replaced? How often is it replaced?
 
A: UV lamps are easily affected by the temperature and humidity of the environment in which they are used, and the lamps must be replaced regularly. After the lamp has been used for more than 5 months, the ultraviolet light emitted by it will become unstable, so each lamp needs to be replaced within 6 months of use.