The A1212S-1WR3 from MORNSUN is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 12 V, Output Current 1 5 to 42 mA, Output Power 1000 mW, Output Voltage 2 -12 V. Tags: Through Hole, Buck-Boost. More details for A1212S-1WR3 can be seen below.