Coral Gong
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How to install Door / Window Magnetic Detector?
Introduction Door/window magnetic detector, also known as magnetic contact, is designed to protect doors, windows, sliding doors, sliding windows and cabinets and so on; widely used in wireless home or business security alarm system. It is divided into two parts: the sensor and the magnetic bar. When the sensor and the magnetic bar close together, the detector is ready for... (posted by Coral 1 year 141 days ago.)
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Introduction Door/window magnetic detector, also known as magnetic contact, is designed to protect doors, windows, sliding doors, sliding windows and cabinets and so on; widely used in wireless home or business security alarm system. It is divided into two parts: the sensor and the magnetic bar. When the sensor and the magnetic bar close together, the detector is ready for... (posted by Coral 1 year 141 days ago.)
How To Install Infrared Movement Detector?
How does wireless infrared movement detector work? Within the area of detection, the movement detector will be triggered by any movement and then send alarming message to the alarm host. Most infrared movement detectors are designed to be used when you are away from home. It's widely used in house, hotel, office, factory, etc. How to install wireless infrared movement detector? 1) Choose the favorable... (posted by Coral 1 year 151 days ago.)
How does wireless infrared movement detector work? Within the area of detection, the movement detector will be triggered by any movement and then send alarming message to the alarm host. Most infrared movement detectors are designed to be used when you are away from home. It's widely used in house, hotel, office, factory, etc. How to install wireless infrared movement detector? 1) Choose the favorable... (posted by Coral 1 year 151 days ago.)
How To Install Wireless Smoke Detector?
How does wireless smoke detector work? When a fire breaks out, lots of smoke will emit. At this time wireless smoke detector will send out alarm to warn you to run away from the fire. It's widely used in house, hotel, office, factory, etc. How to install wireless smoke detector? 1) Choose a favorable position, such as ceilling of house to install the detector 2) Put the batteries into battery box of the detector... (posted by Coral 1 year 155 days ago.)
How does wireless smoke detector work? When a fire breaks out, lots of smoke will emit. At this time wireless smoke detector will send out alarm to warn you to run away from the fire. It's widely used in house, hotel, office, factory, etc. How to install wireless smoke detector? 1) Choose a favorable position, such as ceilling of house to install the detector 2) Put the batteries into battery box of the detector... (posted by Coral 1 year 155 days ago.)
How Does Touch Time Delay Light Switch Work?
About the switch This Touch Time Delay Wall Light Switch can be used for bedroom lamps, table lamps, bedside lights, fans and so on. If you want to master the closing time of these appliances better, it is your really right choice. The switch is widely applied to apartments, hotels, government institutions and residential buildings, which does not require continuous use of... (posted by Coral 1 year 157 days ago.)
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About the switch This Touch Time Delay Wall Light Switch can be used for bedroom lamps, table lamps, bedside lights, fans and so on. If you want to master the closing time of these appliances better, it is your really right choice. The switch is widely applied to apartments, hotels, government institutions and residential buildings, which does not require continuous use of... (posted by Coral 1 year 157 days ago.)
Tri Band Autodial GSM SMS LCD Security Alarm System
About the alarm system This alarm system has large LCD screen to display clearly all alarm states. Intelligent dual network alarm function supports GSM network and fixed telephone line at the same time. It works with 900/1800/1900Mhz GSM network, which means it can be used in all countries supporting GSM network. It will auto-dial 6 preset phone numbers via fixed telephone / GSM network line and send... (posted by Coral 1 year 158 days ago.)
About the alarm system This alarm system has large LCD screen to display clearly all alarm states. Intelligent dual network alarm function supports GSM network and fixed telephone line at the same time. It works with 900/1800/1900Mhz GSM network, which means it can be used in all countries supporting GSM network. It will auto-dial 6 preset phone numbers via fixed telephone / GSM network line and send... (posted by Coral 1 year 158 days ago.)
How does Two Way Touch Light Switch work?
What is two way light switch? Two way light switch has three terminals respectively connected for light, live wire and neutral wire (see diagram below). When operating the switch, three terminals must be connected at the same time to work normally. Usually two switches controls on/off for one lamp/light. For example, you can use switch downstairs to turn on the light; while use... (posted by Coral 1 year 158 days ago.)
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What is two way light switch? Two way light switch has three terminals respectively connected for light, live wire and neutral wire (see diagram below). When operating the switch, three terminals must be connected at the same time to work normally. Usually two switches controls on/off for one lamp/light. For example, you can use switch downstairs to turn on the light; while use... (posted by Coral 1 year 158 days ago.)
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