Description:Each pack contains 1 push button transmitter and 2 UK plug-in receiver

Wireless chime doorbell, easy to install, can reach up to around 300m in the open air

Build in anti-interference design, avoid the interference between the laucher and the receiver

Musical doorbell, with 60 melodies and 5 volume leveles

for homes, offices, hospitals, factories, hotels, stores, mall, office, warehouse, plant, villa etc

Can be an emergency service bell for the old and the weak, provides helps for them timely

Specification:Material: ABS plasticTransmitter Voltage: 12V 23A battery operated(not included)Reciever Voltage: 110V/220VWorking Distance: up to 300m(in the open air)Transmitter Size: approx

72x46x21mm/2

83x1

81x0

82inchReceiver Size: Approx

92x62x32mm/3

62x2

44x1

26inchPackage Includes:1 Set Wireless Doorwell, including1 Piece Transmitter2 Pieces UK plug-in ReceiverNote:Due to the manual measurement, there is a slight color and size difference between the above and the actual item

Clean the detective regularly with a damp cloth to avoid blockage of sensor by dirt;