The Energ+ Solar Pest Repeller repels rodents, cats, birds and even deer by emitting an intermittent combination of sounds along with flashing LED. It has optional volume levels and sound and light combinations so you can easily adjust the settings. The durable plastic pest repeller is weatherproof and functions both day and night. It includes an integrated solar panel and 1.2 volt rechargeable battery (also accepts AA batteries). This animal repellant covers up to 10 metres at 100 degrees in front of the unit.