Character 1. The aluminum case pure sine wave inverter offers high reliability and low failure rate due to its advanced double CPU SCM intelligent controlling technology . 2. It has pure sine wave output ,strong ability of driving load ,and wide range of application . 3. It offers perfect protection functions of overload protection,inside overheat prtection, output short circuit protection, input low-voltage protection, and input overvoltage protection to enhance the reliability of the product . 4. The aluminum case pure sine wave inverter is small and light and offers the technology of CPU centralized control and SMD inside. 5. It uses CPU to control the working status of the cooling fans to extend thr service life of the cooling fans, save power, and improve the working efficiency. 6. The aluminum case pure sine wave inverter produces low noise and is high efficient while working. Applications The aluminum case pure sine wave inverter can be used as follows: 1. In-car or on-boat devices series: Military vehice, police cars, medical ambulance, ship, traffic lights, etc. 2. Industry equipment series: Solar energy, wind power, gas discharge lamp, etc. 3. Office area: Computer, printer, copier, scanner, digital camera, etc. 4. Kitchen utensils series: Micro-wave oven, induction cooker, refrigerator, etc. 5. House applicance devices: Electric fans, vacuum cleaner, AC,lighting lamps, etc. 6. Power tool series: E;ectric saw, drilling machine, punching machines, air compressors, etc. Specification Rated power: 300W Peak power : 600W DC input voltage((Optional): 12V or 24V or 48V or 110V AC output voltage : 100VAC,110VAC,120VAC or 220VAC, 230VAC, 240VAC No-load current: <0.6A AC output frequency: 50HZ or 60HZ AC output waveform: Pure Sine Wave Waveform distortion :THD£¼4%(Linear load) Efficiency: £¾85% or £¾88% or £¾90% DC input voltage range:10-15VDC or 21-30VDC or 42-60VDC or 100-120VDC Low Voltage Alarm:10V DC+/-0.2V or 20V DC+/-0.3V or 40V DC+/-0.4V or 100V DC+/-1V Low Voltage Shutdown:9.5V DC+/-0.2V or 19V DC+/-0.3V or 38V DC+/-0.4V or 96VDC+/-5V Over Voltage Protection:15.5V or 30.5V or 61.2V or 120V Protective Function:Low/Over voltage;Over load;Over temperature;Short circuit Fuse Burn-out Working Temp: 10-50C Storage Temp: Humidity (-30)-70C Dimension(CM): 14*14*5.2 N.W./Kg: 1.4+/-0.5