Qianson DC 5V 12V 24V Infinite Cycle Delay Timing Timer Relay ON OFF Switch Loop Module (DC 5V (1s~15min))<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>This module uses MCU as the main chip.High timer precision.</li><li>MCU watchdog circuit and special reset chip ， Stable and reliable work</li><li>Working model: Once mode and Cycle mode</li><li>timer operating equipment， such as each press key trigger，when reach 5 minutes the automatic power off</li><li>machine repeat test circuits， such as power 1 minutes on and then power off 1 minutes ， such a cycle of testing</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51FmM3GN%2BbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516VqZ69AkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51T1lEQj0iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51n%2BMMlsW%2BL.jpg" noproxy>