Unused REVEX Wireless Call Chime Set X810, No Wiring Required, Transmitter/Receiver Set REVEX call chime with a maximum communication distance of 100m, a set of transmitter and receiver. Battery-operated, so it can be installed anywhere. (Cannot make calls) - Brand: REVEX - Model Name: Call Chime - Communication Distance: 100m - Set Contents: Transmitter (Rainproof/Splashproof) (Push Button) x 1, Receiver (Light and Chime) x 1 - Power Supply: AA batteries x 3 Product Specifications [Receiver Chime] Size: 63 (W) x 96 (H) x 33 (D) mm [Push Button Transmitter] Size: 46 (W) x 74 (H) x 23 (D) mm ● No wiring required, battery-operated, so it can be installed anywhere. ● The push-button transmitter is rainproof/splashproof, so it can be used outdoors or in bathrooms where it may get slightly wet. ● Uses 256 ID codes, so there is almost no interference. ● You can choose from 16 different chimes/sirens/melodies/dog barks. ● The receiver is small, so you can carry it around. ● When adding more units, you can make different chime sounds for each transmitter. ※ Two sets are available. We will offer a discount for simultaneous purchase. #CACAO95 Hobby, Home Appliances, Interior, etc. Although it is an unused, beautiful item, it is a home-stored item, so please refrain from purchasing if you are looking for a completely perfect item. Also, please note that the photos cannot fully reproduce the colors.