- The GBARAN 218A ultrasonic repellent is an effective and safe solution for eliminating indoor pests - It uses variable frequency ultrasonic technology (20~55KHZ) that affects the nervous system of mice, mosquitoes, spiders, cockroaches, and other insects - It does not use chemicals, produces no odors or residues, and is safe for people and pets - Each unit covers up to 120 m², ideal for homes, offices, warehouses, hotels, and supermarkets - Easy to use: just plug it in, with no need for maintenance or cleaning up dead pests - It is recommended to install one unit per room, as ultrasound does not pass through walls or solid furniture - Low energy consumption (3W) and silent operation - Includes 4 devices in the package, providing comprehensive protection in multiple rooms - Dimensions: 10 x 5.5 x 6.8 cm; weight: 0.2 kg per unit - Eco-friendly and efficient solution for domestic pest control