MORRIES MSB588 WIRELESS DOORBELL (BATTERY OPERATED)

1) Humanizes & Simple Design
2) Battery-less Transmitter
3) 32 tones to choose from
4) 4 grades of adjustable volumn
5) IP44 waterproof
6) Receiver working voltage: AC 110v – 220v
7) Energy saver & environmental friendly
8) With LED flashing light when Dorrbell ringing
9) Sound decibel: 25 – 85dB
10) Frequency: 433MHz