Please understand that this item has not been tested for functionality, so please purchase only if you accept this. [Easy to Use & Energy-Saving Design] The doorbell transmitter is battery-powered, and the receiver is a plug-in type, allowing for flexible installation based on your needs. The wireless chime requires no complicated wiring and can be easily installed with the included double-sided tape or screws. It adopts an ultra-low power consumption design, making it energy-efficient and suitable for long-term use. #Click here for Mii-chan's product list ✨☜ Instant purchase is welcome, and silent purchases late at night are OK ◎ * Bulk purchases are welcome, please feel free to comment. * Free shipping! * For anonymous shipping, an additional fee will be charged. Please be sure to inform us in the comments before purchasing. * Although the item has been opened for product inspection, it is a new, unused item. Please inspect the product upon arrival. If there are any initial defects, we will respond, so please contact us before [rating]. Wireless chime, entrance chime, doorbell, suitable for nursing care, restaurants, bathrooms, etc. Waterproof, dustproof, maximum 300M wireless range, doorbell, 58 selectable melodies, 4-level volume adjustment, adjustable from loud 0dB to 100dB, 1 receiver, 1 transmitter 1541