Features:Made of high-quality and environmental-friendly material, non-toxic, safe and durable to use.Super brightness, high stability, excellent energy-saving effect and long lifespan.The wavelength is 395nm~400nm, suitable for a variety of uses.Lightweight and small size, easy to store and use.With aluminium base, it is easy to dissipate the heat.Widely used in nail machine, catching mosquito, curing, plant growth, medical treatment, biological analysis, chemical examination, fluorescence imaging, sterilization, scanning, anti-fake, rock detection, archaeology, etc.Specification: Condition: 100% Brand NewMaterial: Aluminum SubstrateLight Color: UV PurpleWavelength: 395-400nmBrightness: 10-15lmVoltage: 3.4-3.6VSingle Size: Approx. 1.9 * 1.9cm / 0.75 * 0.75inWeight: Approx. 35gPackage List:1 * Set of 25pcs UV LED Beads with Aluminium Base