Long Range Walkie Talkies Rechargeable With Earpiece,Two Way Radio Include 1500Mah Li-Ion Battery(2Pack)

Specifications:Frequency Range: UHF 400-470MHzRF Rated Power: ? 5WChannel Capacity: 16Channel Spacing: 25KHzOperated Voltage: 3.7VBattery: 1500MAh Li-ionBattery Life: About 8 hoursFrequency Stability: ±2.5ppmOperated Temperature: -30°c-+60°cAntenna Impedance: 50?Communication Range: about 2-4kmTransmitter:RF Power Output: 3WModulation: F3Spurious Emission: ?65dBFM Noise: ?-45dB(W) ?-40dB (N)Audio Distortion: ?5%Transmitting Current: ?1.3AFunction:16 channel1500mAh Li-ion battery50 CTCSS/105 CDCSSVoice PromptPC ProgrammingEmergency AlarmVOX FunctionIntelligent ChargingBattery SaveLow Voltage AlertTime-out TimerFlashLight Receiver:Sensitivity (12dB SINAD): ?0.20 uVSelectivity: 55dB/50dBIntermodulation: ?65dBAdjacent Channel Selectivity: ?60dBSpurious Response: ?60dBAudio Power Output: 1000mWPackage:1:2 x Portable radio2:2x Antenna3:2x TIDRADIO Covert Air Acoustic Tube Headset Earpiece4:2 x Li-ion battery pack5:2x US Charger6:2x Belt clip7:2 x The sling8:2 x User's manual9:1xUSB cable