This high quality professional UK Wall Clock has a top end high sensitivity Knowles microphone and internal noise filtering circuitry. and GSM Engine built in. The appearance or operation of the
unit is not effected. To operate this unit, you fit a normal mobile phone SIM card inside and plug the adapter into any mains wall socket. You then dial the number of the fitted SIM card from any
phone in the world, the device will automatically answer the call and enable you to listen in to the room conversation.This unit can also be configured by SMS command to automatically call you
anywhere in the world, triggered on sound!Size: Standard UK AdaptorPower: 240 ACNo need to change batteries!Frequency: 1800Range: UnlimitedAntenna: Built-InColour: White or Silver(other colours and
ranges available bespoke build)Legal to use in the UK