Horror greetings: With clearly scary sound, there are four different greeting sayings. The eyeballs are illuminated by terrible green that presents bright at night. It will surly become the fear of Halloween Size Use: It measures 7 in height, 4.5 in width, 2 in thickness, no need to plug in the power source, just put in 3 AAA batteries (not included), and then press a button for unlimited fun. Easy to install: There is a hanging hole on the back of the doorbell, no other tools required, just hang it gently, and its easy to move, saving your time to celebrate this holiday. Amusing design: Press the button on Halloween doorbell, its green eye will open and left and right turn around, accompanied with horrible and scary laughter, an interesting item to scare and prank naughty kids in the dark. Applicable scene: You can decorate this scary eyeball doorbell in your front yard, bedroom or porch, and used with other haunted house decorations, such as skeletons, hanging ghosts, creepy spiders, increase holiday atmosphere. Product Parameter: Size: 7 x 4.5 x 2 inches Weight: 9.8 ounce Color: Black Material: Plastic Note:This product requires 3 AAA batteries, but not included, you need to buy it by yourself.