• Designed to securely attach to sig Sauer P365 specifically
• Ultra lightweight and compact
• Batteries can be replaced while light remains mounted on gun
• No need to re-sight laser after battery change
• Windage and elevation adjustment screws mounted in brass bushings for long life and dependable zero retention of laser
• This is a class 3R laser product, 640 to 660 nanometer, output less than 5mw

Looks and appears in excellent condition. Batteries have been inserted and product has been tested. Tool is not included. See pictures for details.