• Ultrasonic transmitter designed to protect very large rooms such as workshops, barns, and warehouses. • Plug-in connection, one transmitter permanently protects an area of up to 280 m². • Preventive, curative, and long-lasting effect without causing addiction in target pests. • Includes a transmitter, ideal for areas of 280 m². • Product dimensions: 5.9 cm wide, 23.5 cm high, and 19.5 cm long. • Product weight: 0.2 kg.