1. Working Voltage: DC8~16V 2. Rated Current: 0.4A (max 1A) 3. Working Temperature: -45～85℃ 4. Working Humidity: max 85％ 5. Size: 40*40*5mm 6. Protection: low/over voltage, over temperature, block 7. Air regulation 8. Automatic alarm for low pressure and air vent block 9. Application: aerator, respirator