Features: This is a pest repeller adopted ultrasonic technology which is humane, eco-friendly, pollution free and high efficiency. Powered by solar panel, without messy power cord, low energy consumption and environmental-friendly. With PIR motion sensor, it will activate the system to emit ultrasonic frequency when detecting movement in certain range. Adjustable ultrasonic frequency can repel different animal, such as birds, dogs, foxes, mice, squirrels and etc.Weather proof, designed for outdoor use, effectively protect your crops or garden from being destroyed.Specification:Condition: 100% Brand NewMaterial: PlasticColor: Dark CyanBattery: 3pcs AA rechargeable 800mAh battery(Included)Power Cord: DC 4.5V 200mA(Not included)Solar Panel: 6V 195mAWorking Current: <180mAStandby Current: <2mAOperation Time: 14-18 secondsMotion Sensor Activation: <15 feet 100 degree arc.Ultrasonic Frequency: 12KHz-30KHz(Adjustable)Effective Range: 500 sq. feetSize: approx. 13 x 16 x 9cm / 5.12 x 6.30 x 3.54inchWeight: approx. 370g Package Included:1 x Ultrasonic Repeller Usage Method:1. Mount the unit with screws on an area with sufficient direct sunlight. For better performance, it is recommended to place the unit at least 3 feet above the ground for optimum range. Make sure that the speaker is facing the area you want covered.2. Turn the frequency dial to the desired animal you want repel. Different frequencies will repel different animals. Some frequencies will repel more than one animal.3. Turn the unit ON by pressing the ON/OFF button once. Once pressed, the LED will illuminate red and activate the systemif sense any intruder movement. Recharging the battery:If there is no sunshine or it rains continuously for a long several and the capacity of the batteries becomes very low, it is recommended to recharge the unit by using the power cord(Not included). There is a DC jack located at the back of the switch. Pull out the jack cover, insert the plug of the power cord into the DC jack.