Product Description
Function: Add Numbers automatically via free calling &SMS; Unlock the gate via free calling & SMS; SMS set delay time to unlock the door;
Work power: 6-24V (AC/DC);
Working temperature: -10ºC~+50ºC;
Production Dimension (L×W×H): 66*46*27mm;
Different capacity;
Frequency Range: GSM/GPRS 850/900/1800/ 1900MHz.
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