RETEVIS RT47 16CHS IP67 Waterproof FRS Two Way Radio Handheld Walkie Talkie, US Plug(Black)

1. IP67 dustproof and waterproof 2. Portable and easy to operate 3. Functions: CTCSS&DCS, squelch, TOT (timeout timer), VOX, power saving, low battery reminder, monitoring, scanning, busy channel lock, etc. 4. Frequency range: FRS 5. Channel number: 16 6. Working voltage: DC 3.7V 7. Working temperature: -10 + 50 degrees Celsius 8. Antenna impedance: 50 ohms 9. Audio power: more than 500m W 10. Audio distortion: less than or equal to 5% 11. Frequency stability: 5ppm 12. Audio response: + 7 to -12.5dB 13. Battery capacity: 400mAh