Front View Side View Back View This is a smart wireless door/window
sensor with door close/open bi-directional detection and beeper
remind. When door is open, sensor will send out 5 "Di di di di di"
sounds and then transmit wireless door-open signal; when door is
close sensor will send out 1 "Di" sound as remind and then send out
door-close signal to control panel. When sensor housing is open
illegally, it will also send out tamper switch signal to control
panel. In a word, this is a smart door/window sensor with
particular stability than similar sensor in the market. Inside
Structure Mark: magnetic part to this side Briefintroduction -Super
mini power -consumption design -Can recognize door open/close (For
option) -With beeper remind (For option) -High capacity Lithium
battery -Low voltage detection -Tamper switch detection -Self-check
function (For option) Open slot SpecificationsPower: Li-battery
3.6V 1/2 AA (ER14250) Current:200m in open area Transmission
frequency: 315MHz/433MHz(For option) Trigger space: 20mm Low
voltage alarm: 3.1V Operation temperature: -10ºC/+55ºC Operation
humidity:
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