GSM intercom ,(Horizontal)-(SS91B-M)

The SS91B-M product is a horizontal GSM intercom, designed for use with stainless steel. It uses a high quality durable button; the speaker & microphone is designed with a water repellent. It uses the GSM network, its main function when the visitor presses the call button (the call number can be added 3 sets out the number), it will dial to your phone for a call, in the call you can also use the phone to open the door

Model : SS91B-M

GSM intercom ,(Horizontal)GSM intercom, audio doorbell

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