32 first alert sound for selected (which 9 first alert sound voice compared rapid, and ring of time more long, for sleep quality good, listening weaker of people using; which 23 first alert sound voice compared soft, for pregnant women, and child, and sleep quality poor of people using), using process, dang any alert audio up Shi, can at any time terminated voice;
super strong signal, open Strip receives distance not below 180 meters;
Mouse shaped hosts directly plug 220V domestic General double hole socket, without with battery, Square receives for use 3 AAA (7th) battery (not shipping), the transmitter uses 1 CR2032 button batteries (distribution). Low power consumption, the product has a low voltage alarms;
host and transmitter with LED indicator.
Alarm adjustment: press the "alert volume" adjustable volume, a total of three gears
, this one for two Bell will fit together the two hosts on different power supply which allows devotes its attention to concerns of people we love. A host uses 3, 7th battery, may at any time move, not the socket limit; another host directly plugged in, they combine, in case of an emergency, can effectively avoid the host battery or sudden power failure brought about by regret.