Compact Chassis Design 240mm Width* Three Recording Modes 8, 24, and40-hour Modes(T-160) with Audio signal* Optional RS-485 Board for SSP Control* 100-second High Speed Rewind (T-160)* Time/Date Search, Alarm Search, Alarm Scan and Go to Zero* Master / Slave Clock Adjustment and Eject* Synchronization Control of Key Functions* Tape Protection Functions* 110V ~ 240V AC 50Hz/60Hz