GSM Wireless Home Security Smart Security Alarm System SOS Burglar Fire And Gas

Super GSM wireless signals, voice prompt, ease of use. Can install GSM SIM card. Wired Siren GSM frequency: 900/1800 / 1900MHz. Motion Detector Alarm current <450ma. 1 Wired Siren. Wireless frequency: 433.92mhz 2262 / 4.7MΩ.

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