Key features

• •COMPLETELY WIRELESS:Our wireless doorbell works like an intercom with 2 way communication.No need for Wi-Fi or Bluetooth or pairing with your phone, just plug in the receiver where you'll hear it and place the button where you need it.
• •LONG RANGE AND STABLE SIGNAL：The wireless intercom doorbells transmits up to 4900 feet in an open area.Indoors,the walls can obstruct the range. And the doorbells use a special secret key matching technology to avoid signal interference.
• •RECHARGEABLE BATTERY:The outdoor unit can be used for about half a year on a full charge, and the indoor unit—7 days.While the inside device, comes with a charging base,can be charge continuously.In addition,sound quality of doorbells is good with 3 different volume levels and 20 ringtones.
• •EXPANDABLE AND FLEXIBLE:Unlimited number of indoor and outdoor machine connections.Indoor units can communicate with each other.Moreover,Our doorbells can be extended to connect multiple indoor and outdoor units.
• •Easy TO USE:This set of doorbell intercom has been paired up at the factory,when you receive the doorbells, simply charge them and use them.It takes a 3 second power button push to turn them on or off,and different sets can work together.
• •IP44 WATERPROOF:The operating temperature of the doorbell is -4℉-140℉, and the body is waterproof so it can be used outdoors even on rainy days.