AVANTEK DT32 radio Portable doorbell kit, 48 ringtones, 200m range [1 doorbell transmitter & 1 plug-in door chime receiver], Black (Misc.)
This portable doorbell can be used not only as a doorbell, but you can use them as a kind of alarm system in the house, if you must look after a sick or elderly. The bell box to press (ie the transmitter) must be filled only with batteries. The box h
