A silent wall clock that is radio controlled for split second accuracy and features an easy to read 30cm diameter face. The clock is tuned to the UK's atomic clock transmitter and will automatically adjust to the summer and winter time changes.Radio controlled for split second accuracyAutomatic set and update of timeEasy to read 30cm clock faceNon-ticking sweep second handAnodised brushed aluminium case with glass lensRequires 1x AA battery (not included)Product Range: Acctim - Silent Sweep Clocks