1、This voltage converter uses high quality industrial-grade chip, with high conversion rate and stability 2、It supports 3 intelligent security protection including over-current protection, over temperature protection and output short circuit protection 3、Copper wire has great electrical conductivity, low thermal, low carbon and save more power 4、Fire retardant plastic casing and organic silicone sealing technology has strong thermal conductivity, IP67 ingress rating, waterproof and shockproof 5、Widely used for car stereo, radio, monitoring, LED display, electric fan, motors and other electrical appliances, etc Features: This voltage converter uses high quality industrial-grade chip, with high conversion rate and stability. It supports 3 intelligent security protection including over-current protection, over temperature protection and output short circuit protection. Copper wire has great electrical conductivity, low thermal, low carbon and save more power. Fire retardant plastic casing and organic silicone sealing technology has strong thermal conductivity, IP67 ingress rating, waterproof and shockproof. Widely used for car stereo, radio, monitoring, LED display, electric fan, motors and other electrical appliances, etc. Specifications: Output Connector: Micro USB Output Current: 3A, 2.5A(no need to enhance heat dissipation for long time use) Output Power: 15W Max. Efficiency: >95% Operating Temperature: -40℃ to 80℃ Overall Length: 50cm/19.7in Block Size: 6.4*2.7*1.4cm/2.5*1.1*0.6in Weight: 41g(approx.) Package Includes: