Solar powered motion-activated ultrasonic yard and garden protector makes unwanted critters scram! Here's an environmentally friendly way to keep the neighbor's pets or wild critters from damaging your lawn, flowerbeds and gardens. This Repell™ pest repeller runs on solar power and has a built-in infrared motion detector. When a critter is detected, it sends them packing by emitting a safe, humane ultrasonic 45 KHz tone that animals can't stand. Also features weatherproof design, 24-hour protection, NiCad battery with 72-hour run time per charge, quality solar panel and more. 14"H x 5" x 5" each. Set of 2. Factory serviced to meet original quality standards. May have slight cosmetic blemishes.