Input voltage: DC 12V 24V Output voltage: DC 5V Output power max: 4A 20W(max) Silicone sealing design IP67 waterproof, shockproof, moisture-proof, dustproof, high conversion efficiency Protection function Overcurrent protection, overheat protection, short circuit protection, undervoltage protection, converting unstable current into stable output current, with a conversion rate of up to 95%. The wire adopts 16WAG, which is more stable and has sufficient power Widely used Compatible with car audio, speakers, car GPS navigator, car DVD, hard drive player, dash cam, electric fan, camera, lighting fixtures, toy cars, LED products, LED light strips, and cable TV