Goldtool PON Power Meter And Battery- SC/APC Universal Adapter, Easy To Use Interface, Large Display For Easy Visibility, Designed For PON Network Of FTTX Applications, Simultaneously Test And Estimate The Signals Of The Voice, Data And Video, Ideal Tool For The Construction And Maintenance Of Fibre Optics Links, 1000mAH Rechargeable Li-ION Battery (7.4V / 1000mAH) Suitable for all PON network (APON, BPON, GPON, EPON),Retail Box, 1 Year Warranty