Welcome to our store! 1. Converts DC 24V voltage to DC 12V voltage to drive 12V devices such as car stereos, subwoofers, GPS navigators that can be used in 24V vehicles. 2. High-efficiency models for switch-mode voltage regulation that provide 100% reliable power conversion. 3. Built-in over/under voltage input, overload, overheating, and short circuit protection for full safety, more secure to use. 4. Pre-set voltage memory function and pre-set current interruption protection function. 5. High-quality metal casing, anti-seismic and corrosion-resistant, durable for long-term use. Features: Converts DC 24V voltage to DC 12V voltage to drive 12V devices such as car stereos, subwoofers, GPS navigators that can be used in 24V vehicles. High-efficiency models for switch-mode voltage regulation that provide 100% reliable power conversion. Built-in over/under voltage input, overload, overheating, and short circuit protection for full safety, more secure to use. Pre-set voltage memory function and pre-set current interruption protection function. High-quality metal casing, anti-seismic and corrosion-resistant, durable for long-term use. 3 input wires and 3 output wires, easy to install, professional installation recommended. Specifications: Material: Iron. Color: Black. Input voltage: 21V-28V. Output voltage: 12V. Output power/rating: 5A/60W, 10A/120W, 15A/180W, 20A/240W, 30A/360W, 40A/480W (optional). Battery drain without load: <0.1A. Maximum power efficiency: >90%. Operating temperature: 0℃ - 40℃. Voltage alarm: 20V. Overheat protection: 55℃ - 77℃. Dimensions: as shown in images. Package weight: 322-737g. Package list: 1 * DC 24V to 12V Power Converter