The best white noise machine with its electronically generated sounds the lectrofan masks shrill noises such as screeching cats better than other machines and it takes up less space on a. After hands on testing and using it in my everyday life i ll tell you what i ve found and if it s a good choice or not. Health White Noise Sound Sleep Timer The lectrofan is great to block out noise that keeps you from falling asleep. Lectrofan white noise machine . The lectrofan is one of today s best selling and most popular white noise machines you ll find but is it all it s cracked up to be. The sound of rushing air white noise is produced in 10 unique variations. It s a very effective device if you prefer white noise and fans to nature recordings which it doesn t have. With a high maximum volume it s capable of blocking out most external noise. Lectrofan is ideal for relaxation study speech privacy or any situation where you d like more control of your audio environment. They create ...