IMAGE&reg; Walkie Talkie 2-way 16 channel UHF 3W Radio FM Transceiver - 50 CTCSS/105 CDCSS, VOX Function, Voice Prompt, Emergency Alarm 50 CTCSS/105 CDCSS. VOX Function. Voice Prompt. PC Programming. Emergency Alarm. Intelligent Charging. Battery Save. Low Voltage Alert.Time-out Timer. Torch Light. Frequency Range: UHF 400-470MHz. Channel Capacity: 16. Channel Spacing: 25KHz. Operated Voltage: 3.7 V. Battery: 1500MAh Li-ion. Battery Life (5-5-90 duty cycle): About 8 hours. Frequency Stability: 2.5ppm. Operated Temperature: -30c-+60c. Antenna Impedance: 50O. Dimensions (LWH) (with battery, without antenna): 1156033mm. Weight (with battery/antenna): 198g / 170 g. Communication Range: about 6km. Package include:1 x BF-888s Walkie Talkie. 1 x Antenna. 1 x Charger. 1 x 1500mAh Rechargeable Battery. 1 x Belt Clip. 1 x User Manual