PANDAAR Doorbell, Wireless Doorbell Intercom Battery Powered 4900ft Long Range Waterproof 3 Volume Levels 20 Ringtones for House Classroom Business Office

Features

• TWO-WAY COMMUNICATION: The doorbells work like intercoms.Unlimited number of indoor and outdoor machine connections.Indoor units can communicate with each other.Different sets work together.
• LONG RANGE: The range of the intercom doorbell is up to 4900ft/1500m in open areas.Stable signal and the call sound is clear with 3 different volume levels and 20 ringtones.
• EASY TO USE:This doorbell does not require Wi-Fi, Bluetooth or pairing with a mobile phone,only one button push to talk.It takes a 3 second power button push to turn them on or off.
• BUILT-IN RECHARGEABLE BATTERY：The outdoor unit can be used for about half a year on a full charge, and the indoor unit—7 days.The indoor unit comes with a charging base that automatically cuts off when fully charged.
• 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.