| Bell product characteristics
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In
addition to a decoration of the Christmas
tree,the xBall and xStar are designed to serve
as an extra warning device in addition to
the regular smoke alarms.
1. low power consumption,a regular 9V battery
lasts for the whole season.
2.gives loud 85dB alarm sound.
3.working temperature:0℃~35℃.The relative
humidity:10﹪~85﹪ |
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