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 156.025‑157.450MHz, receive frequency 156.050‑163.275MHz. 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: 156.025-157.450MHz Receive: 156.050-163.275MHz Transmission Type: FM (16K0G3E) Battery: 1500mAh lithium battery x 1 (DC 7.4V) (built in) (Battery Model: BP M005) Frequency Stability: ±10PPM Working Temperature: -20℃ - +55℃ Antenna Impedance: 50Ω Output power: 6W 1W Maximum Frequency Deviation: ±5KHz Stray Radiation: ≤0.25μw Adjacent Channel Power: ≥70dB Audio Distortion: ≤10% Current Consumption: ≤1.5A (high power), ≤0.7A (low power) Audio Output: ≤0.2A (maximum) Sensitivity: ≤0.22μV Noise Suppression Sensitivity: ≤0.22μV Signal to Noise Ratio: ≥40dB Adjacent Channel Selectivity: ≥70dB Spurious Response Immunity: ≥70dB Intermodulation Immunity: ≥68dB Audio 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 Manual Note: Please charge according to the operating voltage, the use of other voltages is easy to cause fire and product damage!