Advanced Ultrasonic Pest Repeller - 6-piece set (220V, coverage area 1600 sq ft) Advanced ultrasonic frequency technology (20kHz-65kHz) effectively repels mosquitoes, rats, and flies – no chemicals, no health risks. Safe for family and pets; contains no toxic gases or traps. 100% safe for children and pets (also suitable for nurseries). Energy efficient, maintenance-free, power consumption only 3-5W (more energy efficient than insecticides). Plug and play, all-weather protection. One unit covers 1600 sq ft, suitable for various locations such as homes, offices, shops, and campsites. The 6-piece set effectively covers large areas. Visible results within 2-4 weeks. Tip: For best results, place the unit at a height of 1 meter. Technical specifications: ▸ Quantity: 6 pieces ▸ Material: ABS ▸ Color: White ▸ Dimensions: 8.5 × 5.4 × 2.6 cm (single) ▸ Weight: 68 grams/piece ▸ Rated power: 3-5 watts ▸ Rated voltage: 220 volts ▸ Rated frequency: 50-60 Hz Includes: 6 ultrasonic mosquito repellents