AOSION Ultrasonic Bird Repeller  Dog Cat  Wild Animal Repellent AN-B011-1

The Ultrasonic PIR Bird Repeller can automatic play ultrasonic wave to frighten, annoy, and intimidate birds, pigeons and other bird pests, let them away from balconies, decks, terraces and other places where birds create a mess.
3.Waterproof design, convenient for outdoor use.
 

Specifications:

Operating voltage: 4 x D (R20) Batteries 1,5V

Switching on time: 45 seconds per moment

Pausing time: 5 seconds

Effective distance: till max 8m (depending on weather and surroundings)

Detecting angel: 110° horizontal (depending on weather and surroundings=

Frequency: 13.5 until 23.5 kHz interval in 3 settings

Working temperature: +5°C until +40°C

Please note.

When storing batteries they self discharge. The can happen that when the device is used for the first time you do not have the performance which can case a shortened lifespan. Also long time use of Alkaline batteries they can loss charging capacity. If the device does not function 100% please change the batteries. You can also use rechargeable batteries but please pay attention that the lifespan is shorter.