【Solar-Powered Efficiency】Harness the power of the sun with this B10 wall-mounted ultrasonic repellent, featuring solar charging and a rechargeable lithium battery for continuous operation. 【Dual Repelling Technology】Utilizes both ultrasonic waves (8-35KHz) and audible sound to effectively deter a wide range of animals and birds. 【Intelligent Working Cycle】Operates in a 5-second active, 25-second pause cycle, optimizing energy use while maintaining effectiveness. 【Wide Coverage Area】Protects up to 120-150 square meters, ideal for gardens, garages, villas, parking lots, and other indoor or outdoor spaces. 【Weatherproof Design】With an IP54 rating, this repellent is built to withstand various outdoor conditions, ensuring long-lasting performance. 【Eco-Friendly Solution】Safe, non-toxic, and odorless, this repellent offers an environmentally friendly alternative to chemical pest control methods. 【Versatile Application】Effective against birds, squirrels, bats, and other wild animals, making it suitable for a variety of pest control needs. Specifications: Dimensions: 113 x 86 x 31mm Material: ABS plastic Frequency Range: 8-35 KHz Power Rating: 3-5W Power Supply: Solar panel + rechargeable lithium battery Rated Voltage: DC 4.5V Battery Type: 18650 lithium battery, 1200mAh capacity Operational Cycle: 5 seconds on, 25 seconds off Water Resistance: IP54 Effective Range: 120-150 square meters Lifespan: Up to 3 years Activation: Long press for 3 seconds to turn on/off LED Indicators: Red (working/charging), Green (fully charged)