Feature: 1. IP67 Waterproof: Marine transceiver has IP67 waterproof, can adapt to harsh environments, can soak for up to 30 minutes at 1m/3.28ft. 2. Floating Design: Marine radio can float after falls into the water, automatically lights up to warn, and will not sink and lose. 3. Clear Sound Quality: Loud sound, and the noise reduction technology effectively reduces the ambient noise and improves the call experience. 4. Portable: Compact size, easy to carry, no burden in daily operation, can be used in port logistics, ship, vehicle scheduling and so on. 5. Rechargeable: Built in 1500mAh lithium ion battery, low power consumption, convenient and practical, rechargeable and has a long service time. Specification: Item Type: Marine Radio Material: ABS Application: Can be used in port logistics, ship, vehicle scheduling and so on.Transmit: 156.000 to 161.450 MHz Receive: 156.000 to 163.425 MHz Transmit Type: FM(16K0G3E) Battery Pack: 1500mAh lithium ion battery x 1 (DC 7.4V) (built in)(Battery Model: BP M001) Frequency Stability: ±10PPM Working Temperature: -20℃ to +60℃ Antenna Impedance: 50Ω Transmitter: Output Power: 5W Maximum Frequency Deviation: ±5KHzStray Radiation: ≤0.25μwAdjacent Channel Power: ≥70dB Audio Distortion: ≤10％ Current Consumption: ≤1.5A(high power) ≤0.9A (low power).Audio Output: ≤0.35A (Maximum) Receiver: Sensitivity: ≤0.22μV Quieting Sensitivity: ≤0.22μV SNR: ≥40dB Adjacent Channel Selectivity: ≥70dBSpurious Response Immunity: ≥70dBIntermodulation Immunity: ≥68dB Audio Output Power: ≥0.6W (10%) Plug: AC100-240V Package List: 1 x Marine Radio1 x Aerial1 x Back Splint1 x Hand Strap2 x Screw1 x Power Adapter1 x User Manual Note: Please charge according to the voltage in use, use other voltages may cause fire and product damage!