Streamlight TLR-6 Sig Sauer P365/XL Weapon Light Contoured housing securely attaches to weapon. 100 lumens; 89 m beam distance Runs 1 hour Ambidextrous push-button switches on either side for easy operation Batteries can be replaced while light remains mounted on gun; no need to re-sight laser after Uses two (2) CR1/3N lithium batteries (included) Windage and elevation adjustment screws mounted in bushings for dependable zero retention of laser Durable, impact-resistant polymer construction; 1 m impact resistance tested Serialized for positive identification Length: 2.20 in - 2.97 in (5.59 cm - 7.54 cm) depending on model Weight with batteries: 1.12 oz - 1.27 oz (32.0 g - 36.0 g) depending on model Limited lifetime warranty Assembled in the USA