The new sas MONT-700 G4 rechargeable led flashlight is sas flagship in 4th generation led flashlight with 18650 type battery. It brings all the new sas innovations in 4th generation flashlights as it integrates all the functions of high technology and performance thanks to the innovative design and in the high quality construction of its materials. The sas 4th generation G4 lenses are the result of 2 years of design and research by sas's R&D department and are the top choice for the professional today.