Features: Next generation, high-efficiency superconductor laser diode; Pulse and constant laser modes; Powerful 520nm green laser (TG7630G); Powerful 650nm red laser (TG7630R); Easy ambidextrous push-button activation for left and right handed users; Recessed on / off buttons eliminate accidental activation; Automatically shuts down after 5 minutes; Mounts to standard Picatinny or Weaver-style rails; Operating temperature: 14°F (-10°C) to 122°F (50°C); Weighs less than 1oz.