1Pc Portable WLN 16-Channel 400-470MHz Mini Walkie Talkie UHF Handheld Two Way Transceiver Radio 16 channels, long communication distance, high sensitivity, the mini handheld walkie talkie is practical for outdoor use. Features: Two-way call, 16 signal channels. Ultra-thin design, with back clip for easy carry. Clear tone quality, large capacity cell, support long call. It can be charged through adaptor, electricity source by USB, or car. English voice broadcasting channel, low-electricity voice alarm. Widely applied for self-driving tour, mountain expedition, hotels, etc. Specifications: Model: KD-C1 Color: Black Quantity: 1Pc, 2Pcs (optional) General:    Frequency Range: 400-470MHz    RF Output Power: ≤5W    Channel Capacity: 16    Theoretical Communication Distance: 5km    Operation Voltage: 3.7V    Cell Type: Lithium cell, 1500mah (included)    Standby Time: 2 days    Antenna: Integrated antenna    Antenna Impedance: 50Ω Transmit:    Output Energy: 2W/5W    Maximum Deviation: ≤±5KHz    Residual Radiation: <60dB    Current: ≤1000mA Receiver:    Sensitivity: <0.16μV (12dB SINAD)    Squelch Sensitivity: <0.2μV    Intermodulation: 50dB    Audio Energy: ≥300mW    Current: ≤100mA    Squelch Current: 20mA Item Size: 96 * 55 * 22mm / 3.78 * 2.17 * 0.87in Package Weight:     1Pc: 234g / 8.25ounces    2Pcs: 468g / 16.51ounces Package Size:     1Pc: 190 * 150 * 45mm / 7.48 * 5.91 * 1.77in    2Pcs: 380 * 300 * 90mm / 14.96 * 11.81 * 3.54in Package List: 1 * Walkie Talkie 1 * Belt Clip 1 * Adapter 1 * Charging Cable 1 * Cell 1 * User Manual