... less than 3% 3.Customer first 4.Sincere cooperation Mobile Power Inverter,Inverte Modify Sine Wave Power Inverter ModelZTP ... ,UK,France,etc)Working temperature -20~50°cProtectionOver-load,Over-voltage,Low-voltage,Short-circuit,Over-temperature Protection ... LED DisplayYes Buzzer AlarmYes Over-load ProtectionYes Over-voltage ProtectionYes Low-voltage ProtectionYes Over ...