... 2.Ultrasonic:400Hz-100Hz 3.Repell rat,mice,fly,mosquito Solar Mouse Repeller, Solar Rodent Repeller Model EPR-08:Techical specificationDimensions: ... .For the best performance install 1 Solar Rodent Repeller every 30 metres strategically to force the rodents ... of your garden. 3.Your new Ultrasonic Rodent Repeller will emit a wave every 30 seconds and has ... , QTY per 40' HC 12384 pcs Solar Mouse Repeller