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

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