ITEM NAME:DC-DC Isolated Power Supply Module Converter Input 11.4-12.6V Output 12V 3W This is a converter that provides an excellent power source for your application where isolation is necessary. One of well known application is to apply this module to a digital current meter to avoid common ground effect, especially for automobile such as a car, a boat, and a bike. Description: Compact size and easy to use Provides absolute power isolation High efficiency and low signal noise Isolation Pressure: 1.5KDC Input Voltage: 11.4-12.6V Output Voltage: 12V DC Output Voltage Accuracy: Â ±1% Output Current: 250mA (Max) Load Regulation:10%-100% Switching Frequency: 300 KHz Temperature Range: -40℃ to 85℃ Packaging: SIP Efficiency: 75% Size(L*W*H): Approx. 0.98 x 0.98 x 0.31 inch/ 2.5cm x 2.5cm x 0.8cm Package Includes: 1 x Isolated Power Module.1 x Isolated Power Module. This is a converter that provides an excellent power source for your application where isolation is necessary. High efficiency and low signal noise. Load Regulation:10%-100%.