Name: Ultrasonic Solar Mouse Repeller, Insect Repeller, Snake Repeller Specification: 2pcs Large Aluminum Round Tube Size: 151532cm 220g Weight: 500g Solar panel: amorphous silicon 7*9cm 2V 60ma Battery: 600 mAh rechargeable battery Frequency : 400hz-50hz, effective working area: 400-800 square meters