Find the Serial Number on International Card Readers

I'm using an international card reader. Where do I locate its serial number?

Follow the instructions below to locate the serial numbers for international card readers.

DEVICE		LOCATE SERIAL NUMBER
P400		Look for the label at the back containing the device's serial number. Press (5) + GREEN button to access the Device Info page. Look for the Serial Number field.
V400		Look for the label at the back containing the device's serial number. Press (5) + GREEN button to access the Device Info page. Look for the Serial Number field.
E285		Remove the battery cover, then look for the label containing the device's serial number. Press (5) + GREEN button to access the Device Info page. Look for the Serial Number field.
AMS1		Look for the label at the back containing the device's serial number. Remove the battery cover and battery, then look for the label containing the device's serial number. Select the Settings icon on your device and then select Device info. Look for the Serial Number field.
S1E2L		Look for the label at the back containing the device's serial number. Select the Settings icon on your device and then select Device info. Look for the Serial Number field.