Upgraded Ultrasonic Insect Repellent Product Highlights: Ultrasonic Insect Repellent Socket with a 45mm diameter speaker. 18 Sound Frequencies that emit 360-degree coverage in all directions. Intelligent Frequency Conversion to stimulate the sensory systems of mosquitoes, effectively repelling insects, ants, flies, cockroaches, mice, bats, and other pests. Safety Features: Suitable for Families: Designed for use in homes with pregnant women and infants. Non-Toxic and Harmless: The 3D surround sound waves with frequencies between 20 kHz to 55 kHz affect only rodents and pests. No Electromagnetic Waves: Safe for pregnant women, babies, family members, and pets. High Quality and Energy Saving: Made of High-Quality ABS Flame-Retardant Material, ensuring high strength, temperature resistance, and durability. Energy-Efficient: Requires no batteries and consumes only 0.12 kWh per day, making it an eco-friendly choice. Wide Coverage Area: Effective ultrasonic range up to 120 square meters, but cannot penetrate walls. Ideal for placement in each room for optimal effect. Suitable for homes, warehouses, offices, gardens, hotels, and other spaces. Ease of Use: Compact and Portable: Easy to carry and use without any tools. Simply insert the device into the wall socket, ensuring the wall height is between 20-150 cm from the ground. Operation: Click the button to turn it on, and double-click for the blue light indicator. Note: Allow the device to remain off for 24 hours before the first use.