gisgfim 2 Pieces DC-DC Buck Converter Module 12V to 5V Micro USB Power Adapter CompatibleWaterproof Voltage Step Down Connector with Ring Alarm Keypad

2 Pieces DC-DC Buck Converter Module 12V to 5V Micro USB Power Adapter Compatible,Waterproof Voltage Step Down Connector with Ring Alarm Keypad Package includes:  2 x Micro USB DC/DC Converter 12V to 5V 15W  Our DC to DC converters have Micro USB charging ports,they can compatible with most electronic devices. Synchronous rectification, the conversion rate is 96% or more, very low heat.  Automatically protect against overvoltage, overcurrent, overtemperature and short circuit, and can work in normal condition when restored.  Epoxy potting, shockproof, waterproof, moistureproof, dustproof, long-term stable and reliable quality.  Ultra-thin, small size, high efficiency, easy to install and use.  Input voltage: DC8-20V, 12V changes to 5V.  Output parameter: DC5V3A, 15W.