About this item HUMANELY DETERS ANIMALS: Keeps animals out of plants, yards and gardens using a harmless spray of water UNIQUE DAY AND NIGHT DETECTION: The only deterrent sprinkler on the market with options for day only, night only, or 24 hour protection, giving you the flexibility to ensure the Yard Enforcer only activates when you need it STABLE DESIGN: Simply press spike into soil or turf to firmly hold the Yard Enforcer in place. SAVE WATER AND BATTERY LIFE: Includes sensing technology for optimum water and battery conservation; get over 7,500 activation cycles on just 4 AA alkaline batteries and as little as 2 cups of water per activation. INTELLIGENT SENSING TECHNOLOGY: Sensing technology learns the difference between trees and animals, so your water will not activate every time the wind blows.