Survey3 PRO and DAQ-A are not USB fast charging devices, so the max current output that is supported is 2.4A. This USB charger does support other devices using fast charge technology.
This USB power adapter has been tested successfully with a DAQ-A-SD and 2x Survey3 PRO cameras at cable lengths exceeding 25 meters.
Specifications:
USB Charger Connection: USB-A Wall Plug: Type A NEMA 1-15 (North American, USA) Charger Input: AC 100~240V 50/60Hz 0.6A Charger Output for Survey3 PRO & DAQ-A: DC 5V/2.4A Charger Output (Other Devices): DC 5V/3A; 9V/2A; 12V/1.5A Charger Size/each: 1.69x1.57x1.06 (inch) Charger Weight/each: 40g / 1.41oz