◆ GSM short message alarming which is direct-viewing and reliable and not limited by transmission distance in comparison with the similar products
◆ Short message report in 8 zones (4 general anti-damage zones, 1photoelecting zones), among which the photoelectric isolation zone can be used for other purposes, for example, for transformer overheat alarming, etc
◆ Strong networked alarming function features 8 telephone numbers for short message alarming, alarm receipt by using either ordinary mobile phone manually or sk-2000sms alarm receiving center automatically via computer, and display of electronic map
◆ Built-in linked relay capable of linked control over other electrical appliances
◆ Power-on report sending and remote patrol functions (testing report and sending testing information in fixed time) that can check for the functionality of the alarm mainframe
◆ A tri-layer casing structure employed for mainframe casing, capable of automatic heating under low temperature in winter and head insulation by means of convection in outer layer in summer
◆ 3-phase detection for precise detection and report of any abnormal condition of any phase
◆ Each arm zone with alarm information, users can change the alarm information by themselves.
◆ Built-in 12v maintenance-free accumulator with automatic charging/discharging control, which shift automatically to provide continuous power for 24 hours in case of power failure
◆ The user may equip it with a low-power high-voltage mutual-inductance transformer to apply in burglarproof and incision-proof and incision-proof alarm for high-voltage power lines

Alarm communications	Transmitting alarming signal by GSM short message	working condition	-10°～55°C，tri-layer metal casing with functions of heating, heat insulation and sun proofing. Outdoor all-weather workability
Number of zones	4 general anti-damage zones and 1 photoelectric isolation zone 3 AC 380v 3-phase power failure detecting zones	power consumption	DC12V /35mA （on standby）， DC12V /250mA（in work）
		Power supply	AC 220V±10% 50Hz
Programming mode	Mobile phone Programming and remote Programming of short message	Spare power supply	DC12V 1.3Ah maintenance-free accumulator
3-phase detection	Low voltage, phase loss, power failure	installation style	Wall-hanging
GSM Module	900/1800M dual-band	Material of casing	High-quality steel plate
Telephone numbers for short message alarm	8 groups of telephones numbers for short messages alarming and 1 group for remote patrol	Dimensions(L·W·H)	370×134×425mm
SIM card	Energy-saving 1.8V or 3V	Weight(plus battery)	Approx.8.32kg (Approx.8.86kg)