DuoMSera Outdoor Handheld Civil Waterproof High-Power Wireless Walkie-Talkie

1. Anti-cross frequency 2. USB cable charging 3. 32 channels 4. Standby for up to 15 days 5. Built-in 3800 mAh lithium battery 6. Strong penetration, available for basement floors 7. Built-in dark display, display channel and power 8. Audio noise reduction processing, the call voice is clearer and louder, and the fidelity is higher 9. 5W high power 10. Working voltage: 7.4V 11. Frequency stability: 2.5ppm 12. Frequency range: 400-480MHz 13. Theoretical communication distance: 3-15km 14. Theoretical battery life: 1-2 years 15. Size: 118x50x33mm 16. Weight: 180g Packing list: Walkie talkie x 1 Back clip x 1 Antenna x 1 Charger x 1 Lanyard x 1 3800mAh lithium battery x 1