P3 International Vibrasonic Molechaser has convenient battery change cylinder and prevents moles voles gophers shrews and other burrowing rodents. P3 International Vibrasonic Molechaser produces penetrating sonic pulses of 300 Hz at 8 seconds intervals which irritates the burrowing rodents. Molechaser has sturdy design and provides up to 13500 Sq ft coverage from the unit. • Gets rid of moles voles gophers shrews and other burrowing rodents. • Power: 6 VDC. • Battery: 4 X D alkaline batteries. • Battery Life: 4-6 months. • Frequency: Multi-modal. • Duty Cycle: 18 seconds. • Coverage: 13 500 sq. ft (1/3 Acre). • Dimensions: 16 x 2 . • Weight: 14 oz. P3 International Vibrasonic Molechaser produces penetrating sonic pulses of 300 Hz at 8 seconds intervals which irritates the burrowing rodents. Molechaser has sturdy design and provides up to 13500 Sq ft coverage from the unit. • Sold as 1 Each.