Self-powered piezoelectric technology, connection with only 2 wires. Mounting in the corner of the glass. Reach 3 m radius. Includes 3M adhesive tape with high adhesion. Protects all types of glass: simple, tempered, wired, laminated. Maximum width of the glass 6.4 mm. In multicrystal windows, install a crystal detector. Fully electronic, does not need pulse analyzer. Ultra-flat profile. Dimensions: 32 x 32 x 12 mm.