For the average home user, after buying a set of alarm systems, may be late enough in the case of accessories, but separate purchase accessories First, the price is high, the second is to install trouble, home alarm presentation, the most important is reflected in The installation position, where I made an installation diagram of indoor infrared curtain detector, door sensor, gas leak detectors and emergency buttons for your reference. Keihin KH9885 alarm center system functional advantages in detail: 1. Overview of warning receiver is a central alarm system for receiving user through the machine over the public telephone network to send alarm information, Danyang home alarm system, a large-screen LCD display, intuitive interface, simple and easy to understand, easy to operate. 2. Features 2.1 receiving, identifying, recording alarm signal support multiple communication formats including CONTACT ID, DTMF4 + 2 (EXPRESS), home alarm equipment, pulse 4 + 2 (4/2), etc., may be extended to other proprietary formats . Supports Caller ID (DTMF and FSK dual system compatible), recording the attack calls. With user control panel, the implementation does not pick up the phone transmitting cloth, disarm information, save airtime. 2.2 Receiver Status POST telephone line disconnected immediately detect, display. Phone cards work status panel LED display instantly. Serial port communication connection status real-time detection, prompt failure. Improved power detection function, ensure that the receiver continuously. More than 2.3 kinds of alarm output alarm buzzer and alarm output, time is adjustable. Info Instant print output (pin connection comes Store or mini-printer). Instant print output screen information. Alarm voice prompts (optional). Different levels of alarm information is provided separately for easy Alarming. 2.4 Operator Password Program password protection to ensure safe operation (operator default password is 12345678). 2.5 large-capacity information storage 1024 alarm information storage, to ensure information is not lost after a computer crash, the maximum guarantee the safe operation of the central station. Home alarm installation, Danyang home alarm, Keihin electronic provided by the Shenzhen City Keihin Electronics Co., Ltd. Shenzhen City Keihin Electronics Co., Ltd. (www.szkh.cn) strong, credible, in Shenzhen, Guangdong alarm, alarm host industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Keihin electronic and you hand into the brilliant, for a better future!