Nevir NVR-TAB9 S2 Manual De Usuario página 82

Temperature
Power supply
Battery
Note: The pictures list in the manual are for reference only!
The design and the specification of the unit are subject to change without notice.
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-20℃ to 60℃
AC 100~240V 50/60Hz; DC 5V/2A
4500mAh poly-lithium battery
25