Features:<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Brand new &amp; high quality<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">21 LED UV 395-400 nm flashlight<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Long service life<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Light weight<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Great for checking notes, credit cards, fluorescent inks(invisible inks), cracked glassware, or even crimescene.<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Suitable for outdoor activities as well<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Note:Due to the intensity of this UV LED device, UVprotective glasses are recommended.<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Emitter type:21 UV LED<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Emitted color:purple<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Powered by 3 x AAA alkaline batteries (not included) (worktime:more than 20 hours)<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">Aluminum<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">shockproof<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">DO NOT look into this device while operating and DO NOT shinein any person's eyes.<br style="color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 13.3333px; line-height: 20px;">&nbsp;