The LED can be turned on/off: the LED button to enter into the menu of adjustment of LED brightness then up or down to turn on or off and adjust the brightness. Configured With Eight Night Vision Infrared Lights Which Is Suitable To Various And Complex Underwater Environment. Sun visor: you can see the screen clearly even in the sun Fit For The Whole Waters: Seashore, Gangbyeon, Riverside, Ice fishing, , Pond,etc. Power saving mode: Built in 4000mAh Lithium battery,4.5hours continue working at full Kindly remond that this fish finder is without DVR Function. Hign-concerned Chemical:None Power Source:3.7V Lithium-ion Battery Detecting Range:0.6-30 Meter Power Input:DC 10-18V Sonar Coverage:175 degrees Product:Fishing camera Screen size:4.3inch Digital TFT Screen TFT Resolution:480 x 272 Power supply:DC 5V Battery inside:4000mAh Lithium battery LENS:Color cmos sensor,HD 1000TVL Visible distance:0.2- The product appearance and printed words depending on the batch, but this does not affect use. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Colour:As Shown Material:ABS Package Contents: 1 * Fishing camera 1 * ADAPTER 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.