The Maderfrei device emits an acoustic signal with a frequency of 12 kHz in intervals of 15 seconds for both on and off times. This ultra-high frequency is perceived as disturbing and unpleasant by martens, causing them to avoid the corresponding vehicle.
• Number of products in the box: 1 piece
• Effective range: 40 m²
• Color: Black
• Material: Plastic
• Power cable length: 0.30 m
• Power plug: Euro / Type-C (CEE 7/16)
• Sound level: 85 dB.
Effect type | Ultrasound |
Item number | 32054303 |
Manufacturer | Isotronic |
Category | Marten repellent |
Manufacturer no. | 78405 |
Release date | 7/11/2022 |
Effect type | Ultrasound |
CO₂ emissions | 26,43 kg |
Climate contribution | EUR 0,67 |
Length | 90 mm |
Width | 20 mm |
Length | 19 cm |
Width | 8.90 cm |
Height | 5 cm |
Weight | 100 g |
The Ultrasonic XL 1000 is the perfect choice for anyone who wants to gently but reliably repel small animals such as mice, rats and martens. It achieved an overall score of 1.4 and a value for money of good to very good.
Animals also react differently to disturbances. That is why it is very practical that the interference frequency of the Ultrasonic XL 800 from Isotronic can be adjusted continuously.