GSM Home Security System MODEL: WH868-A3 FEATURES: 1. Automatically dial out any five telephone numbers for help when alarm, and it has priority even the telephone is online. 2. 15 wireless alarm zones can be identified, and alarm zone can be bypassed. 3. Alarm timely in the scene to panic the intruder, the alarm duration can be set(from 0 to 99 minutes). 20 seconds records to play when alarm; 4. Wireless control to set alarm, dis-alarm and alarm for help(emergent); 5. Through telephone, it can be controlled to alarm/dis-alarm timely; 6. Through telephone, you can monitor to listen to he scene; 7. Automatically alarm when the telephone line is cut or short-circuit. ON/OFF it when needed; 8. Timer to set alarm/dis-alarm; 9. Find the alarm information from the main brain; 10. Pulse/Tone dial optional; 11. Up to 50m~50m communication ranfe between sensor and main brain, suitable for your house; 12. Our wireless parts can be added at user will(no limitation), extra siren can be added. Main Unit: 1 x main brain 2 x two way pagers 1 x infrared sensor 1 x wireless remote control 1 x wireless gap detector Optional Components glass broken sensor smoke sensor wireless key/door bell Technical Parameters: Main Brain: Working voltage: DC12V Working current 35mA when stand-by, 350mA when alarm Dial way Pulse/Tone Pulse speed 10PPS±1 Valid receive distance ≥30M Frequency 315MHz(433.9MHz for EU) Output watt when alarm 1W Circunstance temperature: －10-40℃ Wireless infrared detector Working voltage: DC4.5V Stand-by current ≤100uA Alarm current ≤100mA Valid receive distance 6-12M, vertical range: 60° horizontal range: 90° Wireless gap detector Stand-by current ≤0mA Alarm current ≤6.5mA Working voltage: DC9V serial battery(for B type, DC12V alkail cells)