Very bright and a perfect fit on the p365 x-macro - Streamlight TLR-7 HL-X 1913 Sub USB Multi-Fuel High-Lumen Rail-Mounted Light

Very bright and compact size for the P365 series. There are several "rail keys" included in the package. Make sure you use the correct rail key to fit your rail. There is a separate insert (not part of the instruction manual) that defines which rail key should be used with which weapon (#4 for the P365)...don't lose it! The rechargeable SL-B9 (CR123 equivalent) cell is is a super nice touch as it does not require a charging attachment. Any USB-C type cable will plug directly into the side if the SL-B9!