Features Voltage Reducer Converter Voltage Range: Input Voltage Range: 15-40V Output Voltage: 12V High Conversion Efficiency: Adopt Synchronous Rectification Technology to improve conversion efficiency, Maximum Efficiency:≥96%; Ripple Wave: 50Mv; Starting delay time:≤2S Fully Sealed: outer enclosure acts as a heat sink, specially made to be waterproof, anti-shock, anti-humidity and dust-proof, more durable. With Reversed-connection Protection: over-current protection, over-heating protection and over-voltage protection, hence is safe to use. Widely Used: Commonly used in robots, photovoltaic panels, pumps, CNC equipment, motors and printers, etc. Features: 1. Made of high-quality components and synchronous voltage stabilization technology. 2. The heat is extremely low and good power supply. 3. Stable performance and high efficiency conversion rate.  4. Can meet the need of low pressure, high current rectifier.  5. Commonly used in robots, photovoltaic panels, pumps, CNC equipment, motors and printers, etc.   Specification: Model: GYVRM-K241205 Input Voltage Range: 15-40V Output Voltage: 12V Output Power: Max. 60W Inverter Efficiency: 96% Mounting Hole Distance: 51mm Aperture: 4mm Wiring: Input Red Line +, Black Line -  Output Yellow +, Black - Weight: Approx. 41g / 1.4oz Size: Approx. 51 * 20 * 24.5mm / 2.0 * 0.8 * 1.0in     Package List: 1 * Step down Power Supply Package List