VT-UV3 Dual Band Portable Radio Walkie Talkie for Promotion Feature:1. Frequency Range: 136-174MHz & 400-480MHz2. Dual Band Display, Dual Frequency, Dual Standby3. Output power: 4/1W4. Channels : 1285. 50 CTCSS / 104 DCS6. VOX function7. 1750Hz Tone8. FM Radio Built-in (65.0MHz-108.0MHz)9. LED Flashlight10. Large LCD Display11. High/Low RF Power Switchable12. Emergency Alert13. Low Battery Alert14. Battery Save15. Time-out Timer16. Keypad Lock17. Monitor Channel18. Channel Step: 2.5/5/6.25/10/12.5/25KHzTechnology Specification:GENERAL VT-UV3 DualBand Portable Radio Walkie Talkie