Vedard Security Alarm Technical Support

As the product of the development of science and technology, online stores bring great convenience to people. Firstly, shopping online saves a lot of time. Second online shopping has more choices and cheaper prices. The new product that the factory has just designed and produced first appeared on th...

Traditional security industry and security engineering construction needs all kinds of personnel. They are weak electrical drafters, engineering designers, engineering builders, software designers and implementer, etc. Intelligent security makes DIY home Security possible. Intelligent security does ...

Officials said that the electric car made it difficult to extinguish the flames. From https://www.independent.co.uk/news/world/americas/crime/tesla-car-fire-kills-mother-ohio-b1955160.html A mother of five was killed when the Tesla she was driving crashed near an elementary school in Ohio, police sa...

The construction of Safe cities in China has rapidly promoted the development of the security industry. As of 2019, there are 30,000 security enterprises in China. The total output value of China's security industry exceeded 800 billion yuan. The intelligent security industry chain includes upstream...

General requirements for devices other than control and indicating equipment (CIE) In order to comply with this standard, the following products shall comply with the relevant standards as listed below, except where specified otherwise within this standard. EN 54-3:2001 Fire alarm devices - Sounders...

Initiated in Shenzhen in 1989, CPSE (China Public Security Expo) has become the world's largest and industry’s leading security exhibition. Till today, CPSE has been successfully held for 18 times over the past 32 years, becoming influential worldwide. More than 1263 exhibitors from more than 150 co...

Why are so many people trapped in an indoor fire? According to statistics, more than 80 percent of those who died in the fire were smoke-choked. Fire combustion products contain a large number of toxic components, such as carbon monoxide, carbon dioxide, hydrogen cyanide, sulfur dioxide, nitrogen di...

Mid-Autumn Festival is a traditional Chinese festival. Mid-Autumn Festival is a folk festival offering to the moon.To express people's awe and gratitude for nature. People's first wish is to be healthy and safe. On Mid-Autumn Day, families get together. The moon is full and families are reunited. Fa...

4 Features of intelligent fire alarm system: 1. ring wiring The advantage of ring wiring is that the entire loop will not stop because of a fault in the part of the circuit (the host can identify the specific location of the circuit for maintenance). 2. Broadcast communication The advantage of broad...

Residential alarm system inspection regulations: 1. Local alarm arm/disarm function: normal/abnormal Sound and light alarm: normal/silent/no light Backup power conversion function: Normal/Abnormal/None 2. Alarm printing function: normal/abnormal/none 3. Alarm control host and multimedia: Sound and l...