Battery for BT Video Baby Monitor 630 Fisher J2457 J2458 M6163 M7949 Olympia Compatible with the following devices BT Video Baby Monitor 630, Fisher J2457, J2458, M6163, M7949, Olympia OL-2400, OL2410, OL-2410, OL2420, OL-2420, OL2430, OL-2430, OL2490,...