Rain Gauge model RG-9 $49.00 No Reviews Optical Rain Detector - "It's Raining" precipitation sensor - Output on when rain is present. Quantity ADD TO CART SKU: RG-9 Add to wishlist You must be logged in to access the wishlist feature. Login or Register Add Rain Gauge model RG-9 to your wishlist Priority Lowest Low Medium High Highest Comments × Add to wishlist Wishlist Updated Rain Gauge model RG-9 has been added successfully to your wishlist. × Share