Description: Suitable for 12V automobile, rv, ship, yacht, etc 6 blue LED single light switches to control the electrical appliances at will With vehicle and ship label stickers, the corresponding control instructions can be attached to the switch according to their own needs; Double USB4.2A large current, support collecting charge, while testing the in-car voltage, more convenient and safe Wiring description: the wiring is very simple, the red wire is connected with the positive pole of the battery and the black wire is connected to the cathode. Specification: Product size: 23.3*7.1*8.5cm [Mirror dual USB+ voltmeter] Input: 12 v and 24 v Voltage detection range: 6-30v Material: PA66 environmental protection flame retardant material Input voltage: 12-24v Output voltage: 5V Output current: 4.2A (2.1 A+2.1 A) Light display: blue light [3P switch] Switch material: PPT+PC Switching applicable voltage: 12-24v Switch lights: single lamp blue light Maximum exposure load: AC 125V/10A 12V/20A 24V/10A Single switching size: 37.2*21.2mm Protection level: IP66 Applicable model: automobile, rv, ship, yacht Accessories: 4 screws, cable, car label 1, Marine label 1; Package Includes: 1 Piece 6 Gang Switch Panel 1 Piece Dual USB 4.2A 1 Piece Pre-printed Label 4 Pieces Screws 5 Pieces Cables