DescriptionMade of material, durable and practical, easy to install and easy to use. Unique design make you can install it more easily, also can let you use it practically. Fitwith most kind of electronic Circuit use.Can be install onYacht/Ship/RV/Bus.Feature-Color: Black. - Size: 5.4 x 4.8 x 11.4cm. -Material: Curved shaped plastic - Circuit Protection: 20 A Push Reset Circuit Breakers - Ratings: DC 12V 20A /24V 10A - Panel Depth: 75 mm - Dimensions: 114 x 54 mm - Mounting Dimensions: 103 x 43 mm - Notes: IP66 CE - Blank 1P panel that goes well with other SP33 series panels - C-7 sealed IP67 switch with dual (12-24V) voltage rating - Backlight label module allowing easy recognition in darkness - Various Switch functions available -Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Installation Instructions1.Disconnect all power (AC & DC). 2.Cut opening for mounting location using the template provided. 3.Connect the positive wire (red) to the DC power source (the batteries) and the LED negative feed wire (yellow) to a DC negative bus bar. 4.Connect switch load terminals to the desired device as illustrated. 5.Connect the negative wires of the devices to a negative bus bar. 6.Mount the switch panel with the included self-tapping screws. 7.Reconnect all the AC & DC powers. Turn on and off all branch circuits to check if the panel works normally.