The ES 301U and ES 380A are presentable 100-minute Up/Down Timers. Units are "preset" by advancing the proper digit using the "Min-Set" or "Sec-Set" control. The ES 380A has 1" high yellow LED displays and is controlled via rear mounted connectors, while the ES 301U has .55" high yellow LED displays and has six front mounted controls. NOTE: 1) Included at no charge 2) Specify ES-362U if Option 'R' is required 3) 'Q' can only be ordered if Option 'D' is included 4)Options 'N' or 'Y' or 'N' and 'Y' can be ordered at $125 (ES-370 & ES-371) 5)LX 192U/LX 194U or ES 192U/ES 194U must be ordered if any of these options are req'd. Serial output is supplied at no charge. 6)'T' is substituted as follows: LX/ES 361UT= LX/ES 161U; LX/ES 366UT = LX/ES 166U; ES 364UT = ES 943U; ES 369UT = ES 996U/Amber; ES 372UT = ES 171U, ES 570T = 570UT 7) Available only if Option 'P' or 'Q' is specified; or, if Wall is specified on the ES 391A or ES 590A. 8) Voltage on ES 370, ES 371, & ES 570 is 5 volts; all others is 12 volts (including Option 'T' on ES 570U) 9) With option 'SV' only one of the following options may be specified 'L2', 'L4', or 'P2' 10) Includes Windowsª Software 11) ESE time code output option may be specified if ordering 'NTP' option 12) Not available with option 'Wall' 13) Specify the ES-991U/NTP for a 2.3" display or the ES-941U/NTP for a 4.0" display NOTE: PLEASE CALL BEFORE ORDERING FOR CUSTOMIZATION!! THANK YOU