With this, it would be easier for you to keep an eye on the child while working. A light alarm that activates whenever it picks up sound is always a good feature of the gadget. This becomes very useful in instances wherein you might be preoccupied with loud noises in the area such as the sound of the television or vacuum. One-way monitors from the name itself, basically only transmit sound through a single channel wherein parents can hear the sounds that their baby makes from the other end. However, the much-improved two-way monitors can allow parents to talk back to their child with their own portable transmitter. Parents who have children with separation anxiety often prefer this type of monitor, as hearing a familiar voice could usually calm the child. The device for the baby and the device for the parents must be in their proper range with each other or else wireless intermittent connection may occur. Conventional Baby Monitors VS Baby Video Monitors The question whether to use the conventional simplex baby monitors or the baby video monitors will all fall down to preference. They use a small camera either mounted on the wall, table or crib to transmit the images into the LCD display. They are usually portable and come with multiple cameras and even night vision. Sensory monitorsdetect the baby s slightest movements even during sleep. It fits under the mattress of the baby and alarms you when the baby stops moving or is absolutely still for 20 seconds. This may cost a little more than the analog versions, but if you do have the money to spare, then try to go digital. Tips When Using Baby Monitors in Block of Flats 1) As much as baby monitors can help parents, personal supervision is still very important. It is more important when you live in a flat where there are a lot of people and strangers can easily come and go. One of the latest baby monitors are video baby monitors with night vision capability. You may have seen it in the movies or on TV - the navy seals attacking at night are not at a disadvantageous position since they are using their handy dandy night vision goggles. That same technology is being used in today s baby monitors.