The specifications of the EVO II Remote Controller are:
- Operating Frequency - 2.4~2.4835Ghz
- Max Transmission Distance (unobstructed, free of interference) - FCC: 9km CE: 5km
- Operating Temperature Range -10°C - 40°C
- Transmission Power(EIRP)- FCC:<26dBm ISED:<26dBm CE:<20dBm RCM:<20dBm SRRC:<26dBm
- Battery - 5000mAh
- Weight - 370g
- Operating Current/Voltage - 1.7A@3.7V
- Charging Temperature Range - 0 - 40°C
- Supported Mobile Device Size - Max length: 84mm; max thickness: 13mm
- USB Port Types - Micro USB (Type-B), USB-C
- Operating hours - 3H
- OLED NITS - 330
Find these specs and more in page 73 of the EVO II Drone Manual