Highlights:
This wireless doorbell plays your choice of 36 melodies from old favorites like "DingDong" to Christmas carols and classic chimes and 4 options for volume.Set includes outside doorbell and
portable in-home receiver for use anywhere in your home. The receiver is around 2.7" in diameter and 1.4" thick when plugged in,Doorbell is about 2.7" in diameter and
0.8" thick,no need battery and comes with mounting hardware.This wireless doorbell can be used for variety of uses,including home, office or between floors within the same house,
Ideal to have it on the side of the bed for elderly,or sick people.

Wireless Doorbell Specifications:
1.Hardware Features: Wireless
2.Operating Range: Up to 300 feet(open space)
3.Detection Distance: up to 165 feet indoors (depending on how many obstacles there are between the doorbell and the receiver.)
4.No need for any kind of battery
5.Assembly Details: adult assembly required,very easy to install,Just plug & play
6.Power supply(receiver): AC 110/220V
7.Working power consumption: ≤ 0.25W
8.Transmitter Frequency: 433MHz

Wireless Doorbell Packing List:
1 x battery-less doorbell button (Transmitter)
1 x plug in receivers
2 x mounting screws
1 x double sided tape
1 x an instruction manual

Warning:
The functions of this wireless doorbell can be affected under the condition of electromagnetic interference, installing it on a full closed iron gate, the dry and humidity of the weather, the signal shielding condition and so on.

Cautions:
Please better not open up the wireless doorbell if not a professional,because you may damage the electronic components in it.
Please better not take the wireless doorbell in the rain or prolonged exposure to the sun or close to the metal objects.
The Operating distance will be changed depends on the around environment.

• This wireless doorbell no battery is needed to run either the transmitter or the receiver,Never have to worry about replacing a battery
• Good quality and well priced,Long-term operation,doorbell transmitter can be pressed about 200000 times.
• Doorbell transmitter/push button IPX7 waterproof, can be installed in outdoors
• Wireless Doorbell Features: Easy to install,can be screwed in or taped,Lightweight,wireless, Pleasant ring tone,Aesthetic button,Plug-in, wire free, USA plug available, flashes an indicator light
• Surface is white in color,with a round shape design, which makes it a good match for any color door, The volume and ring tones control buttons are located conveniently on the side of the receiver piece for easy access,when lowering the sound pitch or changing the ring tone,4 options for volume and 36 melodies

This wireless doorbell no battery is needed to run either the transmitter or the receiver,Never have to worry about replacing a batteryDigitalboy