Franzis 67248 - CheXperiment Fledermaus-Check

Make the invisible audible: the bat detector converts high-frequency ultrasonic calls into sounds audible to us. Easy to assemble: thanks to detailed instructions and precise components, the device is ready to use in no time at all. Flexible frequency selection: With the built-in knob, you can find the ideal setting for tracking bats or other ultrasonic sources. Compact housing: the sturdy box protects the electronics and makes the detector the ideal companion on a discovery tour. Use on the go: Powered by a 9V battery, the detector can be taken anywhere and turned on., Manufacturer: Franzis Verlag GmbH