I love this one. Use it in the bath and his room
https://www.argos.co.uk/webapp/wcs/stores/servlet/ProductDisplay?storeId=10001&catalogId=1500001801&productId=1500486169&langId=-1&engine=froogle&keyword=Philips+AVENT+Digital+Bath+and+Room+Thermometer&_$ja=tsid:11527%7Ccc:%7Cprd:3990612%7Ccat:Bathing+And+Potty+Training