Limited quantity! Ends when supplies run out! Easy installation, no wiring required! Wireless chime that can be used anywhere! ☆Uses ・Perfect for door chimes, caregiving calls, store intercoms, etc. ・Cordless doorbell with a set of parent unit and child unit ☆Set Contents ・Transmitter (push button) x 1 ・Receiver (chime speaker) x 1 ・Double-sided tape for fixing, screws included ※AA batteries (3) for the receiver are sold separately. ☆Colors ・White ・Black (Price is for one color. Please specify your desired color after purchase) ☆Highlights ★Maximum communication distance: Approximately 300m (straight line distance without obstacles)! ★Wireless specification that does not require installation location ★36 melodies to choose from♪ ★4-level volume adjustment function ★2-WAY installation: can be attached to the wall or fixed with screws! ★Compact size and design that fits anywhere Perfect for situations where you need the "ding-dong♪" sound. Various uses such as living with elderly family members, homes with distant entrances, and calling for service in stores. It can be used immediately anywhere, so it's also recommended as a gift! 【Size】 Transmitter: Approximately 77 x 46 x 20mm Receiver: Approximately 95 x 65 x 24mm 【Batteries Used】 Transmitter: 12V23A battery (included: lifespan approximately 2-3 years) Receiver: AA battery x 3 (sold separately) ※Communication distance may be shortened depending on the usage environment. ※Colors may differ from the actual product depending on the monitor environment. Please understand.