Features‎:‎ and high quality 21 LED UV blacklight flashlight Long service life up to 10‎,‎000 hours Aluminium body‎,‎ light weight Great for checking notes‎,‎ credit cards‎,‎ fluorescent inks ‎(‎invisible inks‎)‎‎,‎ cracked glassware‎.‎ Specifications‎:‎ Material‎:‎ Aluminium LED Quantity‎:‎ 21 ultra bright LEDs LED Color‎:‎ Purple Shell Color‎:‎ Silver Power‎:‎ 3 *AAA battery ‎(‎Not included‎)‎ Size‎:‎ Approx‎.‎ 3.5 * 3.5 * 9.8cm Net Weight‎:‎ 80.8g Notes‎:‎ 1‎.‎ Please allow a little color difference and 1‎-2cm measure error‎.‎ 2‎.‎ The color of the actual items may slightly vary from the above images due to different computer screen‎,‎ thanks for your understanding‎.‎ Package includes‎:‎ 1 * UV 21LED Flashlight