3. The system is more stable and reliable by using a high withstand voltage power supply module to replace the previous discrete power supply; 1. Newly upgraded to version 2.0, with the module functions increased from 8 to 18 to meet more application requirements; 2. The anti-reverse connection function of power supply is added, so that the module not be damaged due to wrong power supply connection; 4. The timing function of 0.1 second is added, and the timing accuracy is upgraded from the previous 0.1 second to 0.01 second; 5. Add automatic power saving function, which users can set independently., Weight: 0.0551155655 Pounds, Manufacturer: Aboiled