Applicable models:yachts, engineering vehicles, excavators, forklifts, trucks, cars, , etc. Compatible formats: Compatible with MP5 Mp4 MKV MP3/WMA, BT, USB, SD, FM IF range: 10.7MHz; Power requirements: DC9V-12V; Available Sensitivity: 15dB Audio output: 2ch & 4ch line out Maximum output level: 1.5Vrms(±3dB); Frequency Response: 20Hz-20KHz Dustproof and waterproof Model:18415AMP5 waterproof player Voltage:12V Load impedance: 4x4Ω Signal to Noise Ratio: 50dB Stereo separation: 30dB(1KHz) Tone adjustment: ±8dB Signal to Noise Ratio: 60dB Separation: 50dB Radio frequency band: FM 87.5-108MHz AM 522-1620KHz Machine size:110x110x74 cm Installation size:110x64x74 cm 1. Yacht,ship,outdoor car, waterproof machine 12V 2. Support MP5 MP3 playback 4 inch TFT video output 3. supports rear view 4. 2.0 USB interface supports USB Wiring details: Yellow line: B+ (connected to the positive pole of the DC battery) Black line: GND (connected to the negative pole) : ACC (connected to the switch control, if there is no separate control line, connect it with the yellow line) Pink line: SWC1 (connected to the square control line-mainly some new energy vehicles installed on the car) Brown line: BACKSIGHT-IN-CTL (connected to the square control line-mainly some new energy vehicles installed on the car) Note:The pink line and the brown line are used together. If you install the player on a boat, you do not need to connect these two lines. If you install it on a car, you need to connect them. Due to different product batches, the words on the product may be different, which not affect the use. Color:As shown Material:Plastic+Metal Package Contents: 1 * Marine Radio Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.