LUTRON DS-121 WIRELESS DETECT SWITCH

Category: GSM Control System

Description: WIRELESS DETECT SWITCH
Model : DS-121
* DS-121 is the standard accessory and the optional accessory of GSM-120.
* Two wireless detect switches (DS-121) are included in each set of GSM-120.
* User can install the DS-121 on the door or window easily. When the thief interrupt the house,
 buzzer will sound and send the SMS alarm message to the mobile.

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