Fangrui Product Details 1. Ultra-high Efficiency, Up To . 2. Ultra-low Power Consumption, Static Power Consumption Less Than 1ma. 3. High Reliability, Components Are All From Regular Procurement Channels. 4. Ultra-low Ripple Noise Less Than 50mv. 5. Wide Voltage Input, Wide Voltage 3.2-40v, Ultra-small Input Volume. Ripple Noise:less Than 50mv Operating Frequency:500khz Storage Temperature:-10-+50operating Humidity:20-90rh% Static Power Consumption:less Than 1ma Storage Humidity:10-90rh% Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Not Affect Use. Type:12v Colour:as Shown Material:pcb Package Contents: 1 * Step-down Module Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.