NOTE: We don't ship the item to PO BOX address, and we only ship the item to English address, so please leave us your physical English address when you pay. Note: please note all our items are original and activated, but if you are not familiar with this item or you dont know how to use it, we suggest you dont buy it as we can only provide simple technical support, such as install the driver. NOTE: The price not include PACK 1, 2, 3 function, if you want them ,please contact us to get the price. Product Description Technical Data Outline Dimension 48*48*80mm Working Mode Cycle delay Contact Mode Time Delay 1 Switch Contact Capacity AC220V 3A resistance load Electric Life 1*100000 Ambient Temperature 0~+50 Time Delay Accuracy +/- 0.1% Operating Voltage 24V DC Time Delay Range 0.01s-99.99H Mounting Mode Panel mounting Power comsuption < 3VA Counting mode UP or DOWN counting Time unit H, M, S, H+M, M+S Timing range 0.01S ~9999H Communication RS232 / RS485 available