Features:
1) Transmitter:
a) Operating voltage: 12V DC
b) Transmission frequency: 315MHz
c) Transmission range: up to 150 feet
d) Power requirement: one 12V battery
e) Battery life: about 850 days at 5 chimes/day
2) Receiver:
a) Operating voltage: 4.5V DC
b) Current: 4.5V DC, standby: 1.0mA (max.)
c) Signal output: 60mA (max.)
d) Audio power: about 80dB
e) Power requirement: 3C battery
f) Battery life: about 90 days at 5 chimes/day
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