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Transmitting ultrasonic via vibration. Pest repeller is used to affect the acute hearing of underground rodents,with very effective preventive effect. The ultrasonic will deceive them, making them feel endangered,so as to force them away from the vibrating area. Transmitting ultrasonic every 30 senconds.
Effective Range:500M2
Frequency: 300 - 700 Hz
Rechargeable batt included, 3.6V 280MAH Ni-cd
PANEL SIZE:70*90MM
SOLAR PANEL,4.5V45MA
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