National Wireless Call (Wireless Chime) ECE1601P Transmitter and Receiver Set Multi-channel compatible Instruction manual included Similar to Panasonic's ECE1601P Shows signs of use and discoloration, but functions well Ready to use upon arrival By purchasing the optional push buttons shown in the 9th reference photo, you can support calls from multiple locations simultaneously Multi-channel (Search for "Low-power wireless call transmitter") Unused receiver name stickers are included (Entrance, Toilet, Bathroom, Grandma, Reception, Tea) The chime push button is fully functional, but has dirt and paint on it because it was used at the entrance (outdoors) The receiver antenna has a crack, so it has been reinforced with heat shrink tubing For the entrance chime For caregiving calls For calls from the bathroom or toilet Door opening alarm Wireless doorbell - Model: ECE1601P+ECE1701P - Brand: National - Function: Wireless call