Wireless Doorbell With 2 Push Button D5620

1) suitable for homes, office installed in or outdoors buildings and ships etc. 2) 32 sounds selectable at either transmitter or receiver 3) transmitter uses 1x12v 23a battery (supplied) 4) 100m operating range 5) easy to install 6) no electrical wires to install 7) suitable for hard of hearing with strobe light 8) low power consumption 9) ce certificate