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The BT Baby Monitor 150 is a well designed baby monitor incorporating a whole host of handy functions to help parents with keeping an eye (or ear) on their little ones once they have been put down for the night.

Both core sections of the monitor are constructed using a thick plastic casing giving them a sturdy exterior in case of any accidental knocks or droppages. Both sections need to be placed relatively close to a plug socket so that they can be plugged in (the leads that are supplied give about a metre's worth of length).

The monitor includes a temperature gauge which alerts the parents when the room's temperature is either higher or lower than the pre-set temperature range (e.g. between 14 and 23 degrees centigrade). The pre-set temperature range can be easily adjusted, allowing for total control for the parents.

The monitor has five different lullabies it can play to your baby/babies, which each last for 15 minutes on a constant loop. You can even record your own lullaby, lasting a maximum of 2 minutes. This is a nice little feature for all those aspiring musicians out there or simply for parents who would like their baby/babies to be soothed to sleep by their voices. You can even plug in an MP3 player or other similar device and have the monitor play music from that instead. There's also a `talk' function which basically acts as a one-sided walkie-talkie between the base unit and the parent unit (great fun for scaring the hell out of your partner when they go to check up on the baby-babies).

Other handy features are a comforting nightlight to help the baby/babies get to sleep with. A torch on the parents unit (this is a lot handier than you would have thought). A `paging' function for when you undoubtedly misplace the parents portable unit. There's also a timer, so that you can monitor/schedule how long you want the baby/babies to sleep for. Finally the unit includes a digital clock, which to be honest we haven't used once - but maybe others do!

All of the alerts and speakers can have their volumes and/or sensitivities adjusted, including using the vibrate facility (like with a mobile phone). The parents unit also comes with an incredibly handy clip so that it can be easily secured on to a belt or item of clothing. This means you can get on with things around the house without having to remember to constantly pick up the monitor.

The batteries in the parent monitor are automatically re-charged on the charging cradle each time you put it back on it. The rechargeable batteries should give up to 14 hours of continuous performance. The parent unit takes 2 x AA rechargeable batteries (supplied) and the monitor unit can take 4 x AA Alkaline batteries (not supplied) if it wasn't going to be plugged in to a mains socket.