Solar mice repellent 1. security 2. environmental friendly 3 long-term effective It work with solar.The solar panel type is Monocrystal solar panel There are 1pc rechargeable Ni-Mh 1.2v/600MA battery inside.and solar panel is Germany Ersol,2v/60MA panel. This product use the oscillatory to work,the frenquency of the wave is 400-1000hz.The frequency is stable. This product cause vibriation frequency which have 40-60s’in terval,each vibriation last 1s. The effective range of the product is 800 square meters. Our product are through the EMC,LVD,ROHS. The material is ABS and Aluminum.