Features: 100% Brand new and high quality! Work with GSM SIM card, with voice prompt, easy to use . SIM card and GSM operation, receiving processing, identifying signals automatically and inputting, storing, and outputting alarm messages Built-in rechargeable backup battery GSM 850/900/1800/1900MHz Specification: Condition: new Color: white Working Power: AC 100-240V 50/60Hz; DC 12V 1000mA Wireless Frequency: 433MHz/315MHz Working Temperature: -20 - 55 C degree Weight:1150g

• Features: 100% Brand new and high quality! Work with GSM SIM card, with voice prompt, easy to use . SIM card and GSM operation, receiving processing, identifying signals automatically and inputting, storing, and outputting alarm messages
• Built-in rechargeable backup battery GSM 850/900/1800/1900MHz Specification: Condition: new Color: white
• Working Power: AC 100-240V 50/60Hz; DC 12V 1000mA Wireless Frequency: 433MHz/315MHz Working Temperature: -20 - 55 C degree Weight:1150g

Features: 100% Brand new and high quality! Work with GSM SIM card, with voice prompt, easy to use . SIM card and GSM operation, receiving processing, identifying signals automatically and inputting, storing, and outputting alarm messagesNature republic