Wireless signal repeater FS-SR31-WA,security GSM alarm

Wireless signal repeater, 868 MHZ alarm system, security GSM alarm Contact person: Roy C. Email: finseen6 AT gmail com Wireless signal repeater FS-SR31-WA 1) 433 / 868 MHZ optional 2) Microcomputer control, stable and reliable performance; 3) AC/DC both available, with inbuilt rechargeable Lithium battery; 4) Forward wireless signals to extend wireless transmission distance. 5) Working Power: 12VDC, Backup Battery: 3.7V / 800mA Lithium battery, Charge Time: morethan12 hours 6) Distance can be extended: morethan150M http://adf.ly/CMJSg » For Advertise contact us ( Advertise@globalearnfast.com) (Ac=Pl1206).