Red Hot Laser Show by CAN YOU IMAGINE Wireless Red Hot Laser Light Show projects huge patterns onto your walls or ceilings and responds to music Built in hanger that swings out for easy ceiling mounting 3-way switch (off, auto mode, sound response mode) Adjustable display angles Pre-owned, works great Manual sheet included Have a laser show on the wall at your home Sound response toggle switch feature Casts geometric red shapes on wall surface Battery operated, can charge on AC adapter (not included) Takes 4 AA batteries Smoke free pet free environment