http://livewell.honeywell.com/en/doorbells/<br><br><br><br>
General
Product colour
White
Volume
84 dB
Connectivity technology
Wireless
Frequency
868 MHz
Maximum range
150 m
Battery life
48 month(s)
Battery type (transmitter)
AA
Battery voltage (transmitter)
1.5 V
Bell width
3 cm
Bell depth
7 cm
Bell height
1.6 cm
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