Wireless Waterproof Push Button Call Chime Set Purchased October 2025 Used for about a month. There are some minor scratches on the surface, but no stains. I am selling it because I no longer need it. Please consider purchasing if you understand. Operation confirmed Batteries are not included for the transmitter and receiver. Manufacturer: REVEX Product Name: Call Chime Set Model Number: XP710 A Product Specifications: ・Transmission/reception frequency: 315MHz band ・ID code count: 256 ・Installation location: Transmitter (indoor/outdoor) ・Installation location: Receiver (indoor only) ・Call sound: 64 types ・Power supply: Transmitter (coin-type lithium battery CR2032 x 2) ・Power supply: Receiver (3 AA alkaline batteries: sold separately) or dedicated AC adapter (X0505) sold separately. ・Body size: Transmitter (φ60 x 70H x 27Dmm: including mounting plate) ・Body size: Receiver (90W x 91H x 32Dmm) ・Body weight: Transmitter 38g (excluding batteries) ・Body weight: Receiver 85g (excluding batteries) ▪︎When the push button is pressed, it notifies you with light, chimes, or voice in a remote location. ▪︎The push button transmitter is waterproof, so it can be used outdoors or in bathrooms, etc., where it may get wet.