Feature:1. Sea Ready: Floating design and sturdy shell makes retrieving your radio easy if dropped overboard, and meeting IP67 waterproof standards allows your radio to be submersed for 30 minutes at one meter deep.2. Floating: When the walkie talkie falls into the water, it can float up, automatically illuminate the light to warn the position, and is not easy to sink or lose.3. Long Standby Time: Built in 1500mAh lithium battery can ensure long standby, with compact and portable design, easy to carry for long usage time, ideal for port logistics, ship and vehicle dispatch.4. High Performance: This walkie talkie transmits and receives stable frequency, high sensitivity, anti interference, FM transmit type, transmit frequency 156.025157.450MHz, receive frequency 156.050163.275MHz.5. Clear Sound: The sound quality is full and clear at high volume, and the noise reduction technology effectively reduces ambient noise and improves the calling experience.Specification:Item Type: Handheld VHF TransceiverMaterial: ABSTransmit: 156.025-157.450MHzReceive: 156.050-163.275MHzTransmission Type: FM (16K0G3E)Battery: 1500mAh lithium battery x 1 (DC 7.4V) (built in)(Battery Model: BP M005)Frequency Stability: 10PPMWorking Temperature: -20 - +55Antenna Impedance: 50Output power: 6W 1WMaximum Frequency Deviation: 5KHzStray Radiation: 0.25wAdjacent Channel Power: 70dBAudio Distortion: 10%Current Consumption: 1.5A (high power), 0.7A (low power)Audio Output: 0.2A (maximum)Sensitivity: 0.22VNoise Suppression Sensitivity: 0.22VSignal to Noise Ratio: 40dBAdjacent Channel Selectivity: 70dBSpurious Response Immunity: 70dBIntermodulation Immunity: 68dBAudio Output Power: 0.5W (10%).Package List:1 x Walkie Talkie1 x Antenna1 x Back Clip1 x Wrist Strap4 x Screw1 x Power Adapter1 x ManualNote:Please charge according to the operating voltage, the use of other voltages is easy to cause fire and product damage!