How to tell the difference between a Wireless Window Switch (SED-WIN-P-5045) and a Wireless Door Switch (SED-DOR-P-5045). They are physically identical.
SSL window and door switch
Identical physical features
Power cycle the switch (remove the battery for 60 seconds and then insert again) and verify the LED blinking pattern to confirm if it is a window switch or door switch (2 blinks for window, 3 blinks for door).
Or read the identification label on the printed circuit board.
See page 3 of the installation guide.