mainframe enclosure:274mm*264mm*86mm
keypad size:155mm*95mm*28mm
Rated operation current:220V AC
static operation current:120mA
Back-up battery:12V, 7AH sealed lead acid accumulator
Bell output:10.5-13.5VDC/0.5A
Operation temperature:-10°C~+50°C
Effective distance of remote control:100m with no obstacle
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