Streamlight TLR-7 Sub Weaponlight, 500 Lumens, Black, For Glock 43X/48 69400 The TLR-7 sub series is going rechargeable! The TLR-7 sub multi-fuel rail-mounted light accepts either Streamlight's SL-B9 USB rechargeable protected lithium-ion battery pack or a CR123A lithium battery. Interchangeable rear paddle switches accommodate your shooting style.