RoMeh Wireless Doorbell - Premium Touch Sensor Door Chime with 36 Chime Tones. Range up to 1000ft/300m. One Transmitter & Two Receivers. Pure White WIRELESS DOORBELL - Doorbell Kit consists of One Transmitter (DoorBell) and Two Receivers (Door Chime) which support wireless range of approximately up to 1000 ft/300m TOUCH SENSOR FUNCTION - Unique Premium Touch sensor operating doorbell. No buttons. Touch to operate the doorbell. Suitable for home, apartment, office, etc. Can also be used as calling device for elderly to alarm their caregivers. PLUG AND PLAY - Super simple and easy set up doorbell. NO pairing is required as pre-configuration had been done on the doorbell. FLEXIBILITY - Plug the Door chime into a standard electrical outlet anywhere in your home e.g. Kitchen, basement, workshop, etc. CUSTOMER SATISFICATION GUARANTEE - ONE YEAR WARRANTY