Ultravel luminous efficiency: this purple LED lamp hardening by UV glue 3W adopts high-power lamp beads of high quality, the luminous efficiency is well superior to that of traditional hardening lamps, and it is also energy-conscious and environmentally friendly. Easy to use: the UV polymriser lamp is equipped with a control switch, easy to use; at the same time, the gooseneck of the polymriser lamp can be folded, and the direction can be inverse volont, which can ralize plug-and-play to the maximum. Large application: this purple light is often used in the hardening of the rparation of portable phones, electronics, optical communication, prcision peaks, sensors, components, etc. It can also be used for nail art to enhance the authenticity of banknotes. Use rugged clips to ensure smooth and stable operation. Power at all times: this purple UV lamp has a USB interface, very convenient to charge. It can be directly connected to a computer, a power bank or a portable phone for charging. Can be used anywhere: the base of the purple light has a clip pais, you can freely clip the light on the desk, the edge of the window or other places where the thickness counts, which is very convenient. (It is also possible not to use the clip, but you will need to adjust the vertical orientation of the gooseneck so that the light can be placed safely.)