Franzis Verlag GmbH 52506554 Fledermausdetektor zum Selberbauen: Bausatz komplett ohne Löten! | Ab 14 Jahren

Caractéristiques :

• Easy Build Bat Detector
• Assemble your own premium ultrasonic detector
• Easy build kit circuit board - no soldering required
• Listen to the sound of bats as well as other things that emit ultrasound
• Required: 9V battery for up to 25 hours observation time (not included)