1. Operating temperature: -20 degrees Celsius ~ +50 degrees Celsius 2. Power: more than 5W 3. Number of channels: 16 4. Battery capacity: 1800 mA 5. Charging: USB seat charging 6. Frequency range: 400-470MHZ 7. Applicable to multiple scenarios, 3-5 kilometers coverage, strong penetration 8. Weight: about 376 grams 9. Size: about 16x22x5 cm