Description:Our wireless doorbell consists of 32 selectable melodies or tunes along with indicator lights. It is perfect for the use in office, home, hotel and also a good product for the old people.Features:Brand new and high quality wireless remote music doorbell includes both transmitter and receiver.When the receiver is triggered, it will give off beautiful tune with indicator light, and there are 32 melodies or tunes for choosing.The remote distance can reach 100m in the open area, so it is effective for home use.Perfect wireless doorbell used in office, home, hotel. Also a good product to be used as a calling device for the old people.It is safe to use, of low power consumption and long service time. A good replacement for the old or broken one.Specifications:Condition: 100% Brand NewMaterial: PlasticMain Color: WhiteTransmitting Distance: 100m/328.1ft (in theopen area)Bell: 32 Melodies or Tunes for ChoosingTransmitter: 12V 23A Battery(can be usedfor one year while it operates 20 times per day)Receiver: 2 * 1.5 AA Batteries(not included)Receiver Size: Approx. 9.5*6.2*3.3cm/3.74*2.44*1.3inTransmitter Size: Approx. 7.3*4*1.5cm/2.87*1.57*0.59inWeight: Approx. 116gPackage Included:1 * Receiver(Not Includes Battery)1 * Transmitter(Battery Included)