♦RS485/Pulse output : Long Transmission Distance and stable signal. ♦Rain Mode : The Resolution in Rain Mode is 0.1mm, and Sends a Pulse Signal of 50ms Duration and Accumulated Rainfall to the Outside World Through the signal line. ♦Waterproof connector : The Product Comes with 1 Meter Lead Wire for Easy Wiring and Testing. ♦Stainless Steel Housing : Waterproof Housing for Outdoor Use with 2 Mounting Holes.