i am speaking about a empty DVD-ROM drive connect via USB
tested on:
Linux DebianGiada 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt7-1 (2015-03-01) x86_64 GNU/Linux

# short output
cat /proc/sys/dev/cdrom/info | grep "drive name";
drive name:		sr0

# also interesting
dmesg | grep sr

[    0.000000] ACPI: SSDT 0x00000000DB916AD0 000228 (v01 INTEL  sensrhub 00000000 INTL 20120711)
[   47.019445] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[   47.019785] sr 5:0:0:0: Attached scsi CD-ROM sr0
[21571.533370] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray
[21571.533542] sr 6:0:0:0: Attached scsi CD-ROM sr0
[21571.533655] sr 6:0:0:0: Attached scsi generic sg2 type 5

# long output

CD-ROM information, Id: cdrom.c 3.20 2003/12/17

drive name:		sr0
drive speed:		24
drive # of slots:	1
Can close tray:		1
Can open tray:		1
Can lock tray:		1
Can change speed:	1
Can select disk:	0
Can read multisession:	1
Can read MCN:		1
Reports media changed:	1
Can play audio:		1
Can write CD-R:		1
Can write CD-RW:	1
Can read DVD:		1
Can write DVD-R:	1
Can write DVD-RAM:	1
Can read MRW:		1
Can write MRW:		1
Can write RAM:		1

wodim –devices; # strangely wodim -devices or --devices fails but –devices works!? (–)
# my output:

wodim: No write mode specified.
wodim: Assuming -tao mode.
wodim: Future versions of wodim may have different drive dependent defaults.
wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits.
Device was not specified. Trying to find an appropriate drive...
Detected CD-R drive: /dev/cdrw
Using /dev/cdrom of unknown capabilities
Device type    : Removable CD-ROM
Version        : 0
Response Format: 2
Capabilities   : 
Vendor_info    : 'TSSTcorp'
Identification : 'CDDVDW SE-208GB '
Revision       : 'TS00'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd).
Driver flags   : SWABAUDIO BURNFREE 
Supported modes: PACKET SAO
wodim: No such file or directory. Cannot open '–devices'.