Basic Component: (SC-2003H)
One keypad + two remotes +four ID cards + one siren+ one phone line

Technical Characters:
Dimension:
Host: 26.6cm*26.3cm*7.5cm(width*height*thickness), the lock and connector, down-lead
ferrule are excluded
Keypad(including the card):13.1cm×10.6cm×3cm
Weight: Host(including the battery): about 2.8kg
Keypad(including the card): about 0.25kg
Battery：AC220V±10% 50Hz
Storage Battery：DC12V4Ah pressurized lead-acerbity battery (dismaintained)
Working Current: <110mA(usual) keypad included,
alarming current<350mA(the external siren are excluded)
Keypad Current(including the card):
<60mA (ARM); <37mA(DISARM)
Output power: DC 12V 1500mA
Wireless receive:315M（433M optional）
Study the codes automatically
Wired zones: 8 optional armed zone
Loop time: 200uS
Circumstance: Temperature（4~60）℃
Relative humidity45%～95%
Air pressure（86～106）kpa
Telephone line requirement: audio-frequency
Sound recorded: 8～20secs（optional）
It will not be protected if no power.
The maximum distance between the keypad and host(m)
Connection:4wires(black,red yellow,green are suggested)