Deity TC-SL1 -- Bluetooth enabled smart slate. Wirelessly sync using its free phone app, a TC-SL1, or even your existing cables. Super Bright Dot Matrix Timecode Display Dual TC I/O; 5-Pin LEMO, 1/4” TRS Supports All SMPTE Formats, Less than 1 Frame Drift over 24 Hours Dual Battery Bay; Supports NP-F550 batteries