Caution: color: we according to the color of the first picture, in the package: if the quantity is not stated in the description, the item according to the quantity and model number in the title. Portable dc/dc converter regulator 24v step down to 12v 10a 120w energy saving transformer waterproof converter the product is based on the color or size of the main image of the product page. The converter is portable in size and weight, convenient to install and remove. Exquisite workmanship, high quality, all-round protection, suitable for a variety of fields. Features: brand-new, die-cast aluminum cover design, maximum transfer efficiency of 96%. Built-in full protection against over/under voltage input, over-current, overload, over-temperature and short circuit. Auto-recovery when device is back to normal operating. Waterproof, moisture-proof and anti-shock protection. Industry grade dc 24v to 12v step-down converter, widely used in many fields. Specifications: type: dc-dc step-down module input voltage range: 24v 15-40v output current: 20a, 30a, 10a, 15a optional inversion efficiency: 96% max output work rate: 240w, 360w, 120w, 180w optional output voltage: 12v±0.25V work tempreture: -20~80 protection level: ip67 installation wire length: 130mm / 5.12In item weight: 250g / 8.82Ounces package weight: 260g / 9.17Ounces item size: 80 * 80 * 40mm / 3.15 * 3.15 * 1.57In package size; 100 * 90 * 40Mm / 3.94 * 3.54 * 1.57In package list: 1 * 10a 120w converter