Vivitar DVR 1020HD - Manual (Page 7)

6
Initial Camera Setup
Installing the Batteries Installing the Memory Card

Insert 3 x AA batteries as shown above.
Alkaline batteries recommended (not
included).
Turning On the Camera Using the Camera

SD Memory card
(up to 32GB) needed for normal use.

SDHC Class 4 (or higher) recommended
(not included).