Description Pigeon-proof crow can be hung anywhere in the garden, trees, balcony. Ideal for owl hangings to stop birds leaving their droppings. The bird scarecrow features a smart and more developed diamond design that bursts into sunlight and its reflection is very effective against unwanted birds and ecological. Features of our bird repellent are It has two small bells that enhance the sound signal and scare away pests. This bird repellent owl guarantees natural and non-toxic insect repellency unlike electric or battery powered ultrasonic devices. Product Name: Laser Cat Head. Product use: bird repellent, decoration. Product applicable environment: courtyards, orchards, parking lots, balconies, airports and other places that need to repel birds or be decorated. The longest product is 41CM and the widest is 20CM. The weight of a single product is about 45 grams.