Newgate Ronnie Alarm Clock Black Retro Alarm/Desk Clock | Silent ‘No Tick’ | Black An acrylic, modern, oval-shaped alarm clock with a retro feel and clean Arabic dial, The Ronnie, a unique shape is perfectly complemented with a matt finish and acrylic lens.Known as silent sweep in the industry, the hands move in a constant sweeping motion rather than a stepped tick. So you wont hear any ticking but if your hearing is particularly sensitive in a completely silent room you may hear a very quiet whirring. Power: 1 x AA Battery (Not Included)