https://www.htpow.com/high-powered-30000mw-blue-laserpointer-445nm-worlds-brightest-p-1027.html ...
Model: AN-102 Name: Laser Pointers Keychain Switch Mode: Botton Laser output: <5mW Customization: LOGO Size: Φ25*60mm Weight: 17g Features: Mini torch light keychain wavelength:Around 650nm Application: Powerful re laser pointer is good for teaching,presentation and field work ...