Pozitron Plus Set is ideal for one family. POZITRON with the radius of protection of 20 meters should be placed somewhere in the living area to protect the whole house, apartment, or the office. POZITRON with the radius of protection of 5 meters can be useful for the protection of one working place, a vacation house, a student dorm. It is also a great present for someone you love. Two Pozitrons for personal use are designed for two people to always carry them around. Two Pozitrons for the mobile phone will provide high-quality protection for two mobile phones.