Do the just-matured crops attract lots of pests? Do the birds eat the ripe fruits in the orchard? Do the pests eat the fish fries in the pond? Do the birds hit the plane? Have you tried many similar products about pest control, but are still being harassed by pests? If you are still worrying about the above-mentioned problems, you could select this ultrasonic solar pest repeller, which can clear pests rapidly in a professional way, including birds, bats, rats, and so on.Features:Detects movement up to 30 feet awaySolar-powered, has no batteries needed and is cordlessEffectively repels invasive pests humanely and without the use of traps or poisonsThis Optic solar pest repeller can be used to keep animals away from rubbish bins, fruit trees, flower beds, and garden pondsThe built-in smart chip can emit ultrasonic waves of various frequencies to repel birds or other pests, no pollution, rather friendly and safeBuilt-in different kinds of sounds, you can use the suitable sound according to the need of production application to achieve the most ideal effect of driving birdsThis product can automatically sense day and night. Thus, you can select the working mode among 'day', 'night', and 'whole day' according to the appearance and disappearance of birds.You can flexibly set the sound playing time intervals, such as 20 seconds, 50 seconds, 1 minute, 4.25 minutes, 5 minutes, 10 minutes, 15 minutes, and 30 minutesIt features a solar panel with a high conversion rate and DC jack, supporting solar charging and power cable charging, no need to worry about the power shortageSpecifications:Capacity; 800mAhWorking current; 180mAPackage weight; 350gPackage dimensions; l=14cm x h=17cm x w=11.5cmPower supply; Build-in 3 pieces 'AA' Ni-MH rechargeable battery