Cacazi wireless door bell

38 ring tones
Comes with EU plug
Shell material: plastic
Colors: white, black
Transmitter size: 75 * 51 * 20 mm
Receiver size: 95 * 65 * 24 mm
Option: 1 transmitter + 1 receiver (suitable for a small house or apartment) 
Option: 1 transmitter + 2 receivers, 2 transmitters + 1 receiver (suitable for a big house, duplex apartment, office, house with garage, warehouse and other bigger areas)