You can easily check the remaining capacity and USB output or input status. Touch the button lightly to turn on the f970 battery. Touch for 3 seconds to turn it off. compatible with Sony DCR-VX2100, DSR-PD150, DSR-PD170, FDR-AX1, HDR-AX2000, HDR-FX1, HDR-FX7, HDR-FX1000, HVL-LBPB, HVR-HD1000U, HVR-V1U, HVR-Z1P, HVR-Z1U, HXR-MC2000U, MVC-FDR1, NEX-EA50UH, NEX-FS100U, NEX-FS700U Handycam Camcorder.
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