ESOW PIR Bird Repeller Motion Activated with Flashing LED Light and Sound (Harmless)to Repel Animal Bird Bat Pigeon Away for Garden/Yard/Farm/Balcony BOTH SOUND WAVE & FLASHLIGHT, providing a humanized way to repel unwelcome animals, bats, birds etc. TWO MODES -- DAY MODE AND NIGHT MODE. Select day mode, the product will only use sound wave during daytime, and use both sound wave and flashlight during night. Night mode will allow you to use only sound wave during daytime, and flashlight only during night.*IF YOU THINK THE GUNSHOT SOUND IS TOO NOISY YOU CAN ALWAYS ONLY USE NIGHT MODE,IT WILL REPEL BIRDS WITH FLASHLIGHTS AT NIGHT ONLY,NO NOISE. SAFE, ENVIRONMENTAL, DOROLESS, AND EFFICIENT, can be used both indoors and outdoors. EASY TO USE: Just install 4 AAA batteries, and select the mode you like. Get rid of noise and damage from unwelcome animals, insect, rats and so on. Fit for home,garden,farm,garbage bins,fruit trees,lawn,garden,and flower beds and fish ponds.