Specifications: Adapter features with silicone sealmemt, waterproof, shockproof design. Module is thin, small size, high efficiency and easy to install. PCB flame retardant shell material, long term stable and reliable. Converter has advantages of input transient overvoltage, output short circuit, over temperature protection. It is suitable for car alarms, radio, intercom, electric motors, audio, navigation, surveillance, LED car display, air conditioning, and industrial electrical equipment, etc. Item Name: Car Power Converter Material: PCB Product Model: K240501/K240502/K240503/K240505 Input Voltage: 12V24V (8V-40V) Output Voltage: 5V-0.25V~5V+0.25V Output Current: 1A, 2A, 3A, 5A Output Power: 5W, 10W, 15W, 25W Conversion Efficiency: 96 Percent Protection Level: IP67 Installation Line Length: 13cm Working Temperature: -20 Degree Celsius~80 Degree Celsius Features: Convenient, Portable, Durable, Easy to Use Size: 6cm x 2.45cm x 2cm/2.36" x 0.96" x 0.79" (Approx.) Installation Hole Distance: 51mm/2" (Approx.) Mounting Hole: 4mm/0.16" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Power Converter