FEATURES:-Spinning wing concept in an all new look-Includes 4 units pre-programmed w/ random on/off timers-Mimics the flash given off by a flock of real doves -Designed for dry fields-Operates up to 20+ hours on 3AA batteries-4/packPRODUCT SPECIFICATIONS:Dimension 4.75 X 10.35 X 10.55Height 4.7500Width 10.3500Length 10.5500OTHER FEATURES: INCLUDES 4 PRE PROGRAMMED UNITS WITH RANDOME ON/OFF TIMERS, WORKS GREAT FOR DOVE OR PIGEON, OPERATES ON 3AA BATTERIES, NOT INCLUDED DESIGNED FOR DRY FIELDS, MIMICS THE FLASH GIVEN OFF BY A FLOCK OF REAL DOVES