... pure sine wave inverter 12V 220V1. Efficiency:94%2. 12V/24v/48v dc input3. 220v/110V AC output4. ... charger ,etc.150W:laptop, PDAS , 8" TV, Halogen light buld, CD , Mini stereo ,etc.300W: 20TV ,VCR ... 5VProtectionLow/Over voltageRed LED light, Automatic recovery, AlarmOver loadRed LED light, Lockout, AlarmOver thermalRed LED light, Automatic recovery, AlarmShort circuitRed LED light, Automatic recovery, ...