Qich Wireless Doorbell Chime 36 Sounds 150m 492feet Range Loud Bell remote control door bell 2 Chimes 1 Remote Control Receiver 1 to 2 model :9520FD Remote control / receiver distance: approximately 150 meters or 492 feet (open area). Chimes have 36 sound types and an 'Off' switch. You can install the doorbells in locations, such as kitchen, back yard, bedroom etc.