Retevis RT-5R 2 Way Radio 5W 128CH UHF/VHF Dual Band Dual Standby DTMF/CTCSS/DCS FM Ham Radio (2 Pack) 50 CTCSS/104 DCS; FM radio;128 groups channels storage; Shortcut menu operation model Great battery life; large capacity Lion Battery can last 8-12 hours of continuous use Built-in high brightness LED that can be used as a flashlight or alert system for emergency situation Easy to operate and learn even if you are not a radio expert; you will find all the controls in a consumer friendly workbench setup Simple and Convenient return process;We provide 1 year warranty and 30 days no reason to return; No matter any reason within 30 days you can apply for a return Rated Voltage:7.4V DC10% Rated VoltageOutput power:  5W Battery type: Li-ion battery Battery capacity: 1400mAh Frequency stability: 2.5ppm High/Low TX power selectable: 5W/1W Adjacent channel selectivity(wide/narrow): &lt;-65dB(Wide)&lt;-60dB(Narrow)