The potential for interference in your home. Before you choose a monitor, consider what wireless devices you are currently using as well as potential interference from your immediate surroundings. Common culprits include cordless phones, cell phones, Wi-Fi routers and even microwaves. If you live in a densely populated area or an apartment building, potential for signal interference increases. Look for a DECT monitor if interference is a concern.
What level of monitoring you want or need. If you want to see your baby's every move, it may be worth purchasing a high-quality video monitor. If you are losing sleep from anxiety about your child's well being, a motion detection monitor may ease your mind; some are even wearable via a specially designed onesie or bootie. (Note, however, that experts caution such monitors are not approved medical devices and don't actually protect against SIDS.) For many parents, an audio monitor is sufficient. If you work away from home and/or have a smartphone, you may appreciate being able to stay connected via a smartphone-compatible monitor.
When and where will you rely on the monitor the most? To sleep soundly, parents may not want to hear every move their baby makes, or they may be bothered if the monitor transmits white noise from a fan or air conditioner. If you fall in this category, a voice- or sound-activation feature will be a must. Parents who are busy vacuuming may want a monitor that has a vibrate mode and/or sound signal lights. Parents with large backyards should look for a long-range monitor. Parents who work outside the home may want to be able to check in with their child at any time of day with a monitor that connects to the Internet.
Do you really need a lot of bells and whistles? Add-ons such as lullabies, night-lights, temperature sensors and multiple parent units are nice, but they can boost your bottom line. Consider whether you'll really use such features before you shell out for them.
How many children will you monitor at once? If you have more than one child or plan to in the near future, look into video monitors that let several cameras connect to one parent unit. Unfortunately, audio monitors lack the ability to monitor more than one room.
Does portability matter? Some parent units have belt clips or lanyards to make toting them around the house easier. If you travel, sound monitors are generally the easiest to set up on the road, and they aren't as susceptible to damage as video monitors with their fragile cameras.
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