• Transmitting distance: min 30m indoors,200m outdoors without block
• Wireless signal frequency：315MHz±100KHz
• Modulation: 00K
• Current： CR123, 2 lithium batteries
• Voltage: DC12V
• WIreless frequency：315±1MHZ
• Standby current： ≤20μA
• Alarm current： ≤100mA
• Automatic alarm current：≤300mA
• Whole set includes：  a automatic alarm lock + an alarm computer  + electronic CMOS chip + a line 

Feature:

• An alarm of 120 decibels can be effected for both entry or vibration activation of alarm.
• Provides omnidirectional theftproof by double prodetion, effective to any unlegal technical lock.
• The system includes a rolling gate automatic alarm lock, an electronic CMOS chip key, an alarm computer and accessories.The CMOS chip key is dentiform, and with a electric password.The lock can only be opened with the right dentiform and correct password simultaniously.
• Durability and extremely simple to use： with stainless steel lock, all parts anticorrosive and weatherproof.
• Theftproof chip inserted key：the chip with passwork is unique for an entry, basically different from the universal remote-controled theftproof devices.
• With the alarm triggered, the advanced set cell phones or telephones will be automatically connected and  an alarm of 120 decibels can be effected at the same time.WHat's more, it will send signal to the police station if online.
• A key can be added according to the voice clew after inserting the key to the keyhole.
• All electric and joining parts are put in solid metals, it's impissible to break by force and high volatage.
• With the same installing place with the universal rolling gate.
• The key can't be copied but to logout if the key lost.