Is the Hunter PRO-HC PHC-600 outdoor or indoor use? By / On July 28, 2019 / At 9:01 pm / In 126 Views Wifisprinkler DWQA Questions › Category: Hunter PRO-HC PHC-600 › Is the Hunter PRO-HC PHC-600 outdoor or indoor use? 0 Vote Up Vote Down Tom Konor Staff asked 3 years ago Hunter PRO-HC PHC-600 works fine outdoor. Its outdoor lockbox is watertight. Please login or Register to submit your answer Username or Email Address Password Remember Me Post navigation Prev PostCan you run separate instances for morning and night for Hunter PRO-HC PHC-600? Next PostDoes the Hunter PRO-HC PHC-600 controller need a rain sensor or does it use some type of actual time weather control?