"Nightstick TCM-365 Subcompact Handgun Light | Compatible with Sig Sauer P365 Models uses an LED rated at 650 lumens working in conjunction with a precision engineered total internal reflection (TIR) lens to create a bright white beam of light rated at 136 meters. This light is designed and intended specifically for the Sig Sauer P365 family of pistols. This weapon light features completely ambidextrous and intuitive rear-facing toggle switches on each side of the light to operate the momentary-on, constant-on and strobe lighting modes. The housing of the TCM-365 is constructed from aircraft-grade 6061-T6 Aluminum with a polymer rear housing. Includes three modular rail inserts, two spare Allen screws, Allen wrench, and one CR123 Lithium battery. This light is compatible with the optional li-ion rechargeable 16310 battery and charger sold separately. NOTE: THIS PRODUCT IS ONLY AVAILABLE THROUGH AUTHORIZED LAW ENFORCEMENT AND SPORTING GOODS NIGHTSTICK DEALERS."