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Product parameters Water and weather resistant It has a built-in battery that is charged by the built-in solar panel. (works even in cloudy weather!) Fully automatic operation / Dimensions: 29 x 10 x 9 cm Solar Panel: Ni-Mh 600mA, 1,2 V / Frequency: 400-1000Hz It emits an ultrasound every 20-30 seconds Scope: approx. 2 x 300 m2 |