Canon VB-H41 - Manual (Page 15)

Features
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Dustproof and Waterproof Mechanisms
(VB-H610VE only)
The camera complies with the demanding IP66 dustproof/waterproof specifications and
can be installed outdoors, such as underneath eaves, without any housing. The separately
sold genuine heater lets you use the camera in low-temperature environments as cold as -
30°C (-22°F).