Next-Gen Pest Defense Technology Our ultrasonic repeller deploys AI-powered (22-65kHz) to disrupt pests' nervous systems. With SPL Cavity Resonance Technology, it effectively repels mosquitoes, cockroaches, spiders, and rodents within 20 areas - no chemicals, no dead insects on your bed! Dual-Function Smart LED & Sleep Aid Starlight Night Light: Hollow-star design projects soft galaxy ambiance Breathing Sleep Mode: Gentle pulsating light synchronizes with sleep cycles Light Sensitivity Option: Totally dark mode for light-sensitive sleepers Global Ready Plug & Voltage Universal Voltage: 90-240V works in 150+ countries Interchangeable Plugs: EU/US plugs included (certified: RoHS/CE/FCC) Extreme Energy Saving: