Micro sprinklers, sprayers, and jets are available in in a wide variety and many configurations. Like drip emitters, micro sprinklers and sprayers operate at low pressure and are designed for areas where drip irrigation is not practical, for keeping plant foliage constantly moist or when overhead watering is required. The micro sprinklers and micro sprayers are rated by flow rate, wetting diameter and the spray method (moving parts for micro sprinklers, versus non-moving parts for sprayers). Like conventional sprinkler systems, micro sprinklers and sprayers are available in 360°, 180°, 90° and strip patterns that aim left and right like a bow tie. Micro sprinklers and micro sprayers provide low precipitation rates, allowing longer watering time with less runoff.