The Vibration Sleep Soother and Night light Babies and young children often sleep well in cars. Zed uses special motors that generate both the low-frequency rumbles of the car suspension and the revving of the engine. As the gentle vibrations pass through the mattress, they also generate soothing sounds. Choose from six different vibration modes to find the perfect virtual car ride for your baby. Zed mimics the feeling of being in a car. His clever technology recreates soothing low-frequency vibrations that are known to send babies to sleep. Features: -Works on any mattress -Simply place Zed on the mattress by your baby’s feet and press the snooze button. The finely tuned vibrations ripple through the mattress, comforting your baby and encouraging a deep sleep -Babies tend to sleep in 45 minute cycles, so Zed fades out gently after 1 hour, by which time your baby should be into a second cycle and a deeper sleep -Vibration and night light modes -6 calming vibration modes which bring the feeling of the car to the cot. A soothing night light with 3 light levels and an all-night mode -Turn their crib into a car with Zed's calming vibrations and take them to the Land of Nod in no time! They won’t even realise they’re at home in bed -The gentle car-like vibrations travel through the mattress to soothe your baby -Use the night light with or without the vibrations to create a soothing glow. Small and portable - great for night feeds and for taking on holiday too -Zed produces a calming red glow, which is proven to be particularly relaxing. The light switches off after 1 hour, or 12 hours for the all-night mode -Suitable from birth; Zed has been tested to EN71 safety standards and is suitable from birth. It can also be effective when used with older children and even grown-ups! -Splashproof; Tested to IPX4 standard -Zed can be wiped clean if any little accidents occur -Takes 2x AA batteries (not included) with up to 50 hours battery life* 50 hour battery life achieved with good quality alkaline batteries and with the slowest vibration mode