1. Q: Does its motion sensor have adjustable sensitivity? A: Yes, the ultrasonic repeller can be adjusted for different animals. The device offers 5 different modes that emit varying frequencies of ultrasonic sound to target specific animals like deer, cats, dogs, squirrels, raccoons, rabbits and more. If you find one mode to be ineffective, we recommend trying the other modes to determine which one works best for your situation. This process requires patience, as it may take around two weeks-four weeks to identify the optimal setting. 2. Q: How effective is it against larger animals like deer? A: It is effective against larger animals like deer. It has been effective in deterring deer from their yards and gardens. 3. Q: Does it repel stray cats? A: This repeller is effective against cats,it to deter stray cats from their yards.Your yard and garden is free of digging cats. 4. Q: How durable is it in harsh weather conditions? A: The animal repellent is waterproof and works well in different weather conditions. it works in all weather conditions.It comes with a charging cable, even on cloudy and rainy weather. 5. Q: Is it easy to install? A: Animal deterrent is easy to install. An effective animal deterrent for all outdoor spaces - yard, chicken coop, farm, garden, livestock yard, orchards, porch and more. 6. Q: Does its ultrasonic range cover the intended outdoor area? A: The motion detector is sensitive enough to trigger the alarm when I walk up to 20 ft away either night or day. 7. Q: How many charging options does it offer? A: Animal repellent comes with solar power rechargeable batteries which are charged by USB cord which is included.