ANMBEST MOSFET Trigger Switch 4 Channel Drive Module 400W DC 3.7 27V 10A Large Power PWM Adjustment Electronic Switch Control Board FET 4 auspowers_batchfive Southwire Romex Brand SIMpull NM B Size Name:9 1 2 oz., 45 ft long Southwire Romex Brand SIMpull NM B (nonmetallic sheathed) cable may be used for both exposed and concealed work in normally dry locations at temperatures not to exceed 90°C (with ampacity limited to that for 60°C conductors) as specified in the 2011 National Electrical Code Non Slip Smartphone Tabletop Dock for Desk lamp brightness and so on Technical Specifications: Operating Voltage: DC 3V 27V The trigger source: digital high low (DC3V 20V)