12V To 13.8V DC Step Up Converter, 5A 69W Power Supply Voltage Changer Adapter Regulator

Built-in over-voltage, under-voltage, overload, over-heat and short circuit protection ,stable performance. Purpose : Car alarms, radio, intercom, electric motors, audio, navigation, surveillance, LED car display, air conditioning, fans, solar energy, photo voltatic energy, DVD, LED lights, motors, pumps, and industrial electrical equipment, etc. ABS outer case material, long term stable and reliable, especially Made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable. Thin, small size, high efficiency practical and portable, and easy installation and use. Input wire color : (+)Red, (-)Black, Output wire color : (+)Yellow, (-)Black. (Note: No wiring reverse short-circuit protection for this device. Please be remind to make sure wiring carefully & correctly.)