Aquatica SURVEYOR Moisture and Vacuum Sensor for A5DMkIV Underwater Housing

Prevent leaks and keep your Canon EOS-1D X Mark IV camera safe in Aquatica's A5DMkIV Underwater Housing with the SURVEYOR Moisture and Vacuum Sensor. This unit is sensitive to atmospheric pressure, and it allows you to confirm watertight integrity before diving. An included compensation function improves accuracy by ensuring that changes in ambient or internal temperature will not cause incorrect readings.