Risco, Piccolo both 1-way or 2-way wireless PET detector (868MHz), range of 8m and is suitable for pets up to 36kg, Batteries 1xCR123A, use with Agility as of V5.17, LightSYS as of V5.80 and ProSYS Plus as of V1.2.1.17. The Piccolo PIR is a small and stylish motion detector for residential use. The innovative and clean design is ideal for end users, looking for a contemporary look and feel in their premises. The detector is compatible with both 1-way and 2-way wireless systems and is easy to install.