Dear All S4A's Partner: As the year draws to a close, we find ourselves reflecting on the incredible journey we've had, and it fills us with gratitude for the unwavering support we've received from each one of you. To our val...
CPSE Security Fair, founded in 1989 in Shenzhen Special Zone, 34 years of growth, 18 security exhibitions, is the world's largest security exhibition, the most authoritative and influential security exhibition in Asia. IN-PERSON EVENT: Shenz...
We noticed that when many customers choose automatic door openers, they do not know whether their door is pushed or pulled. The picture below can help you understand. If you want to buy an automatic door opener stopper, as below:
S4A Manufacturer Standalone Access Controller, this is our production line for the S series Standalone access controller, from the first step to the last repair step and all access control units within 2-year quality guarantee, OEM & ODM a...
TF4 Metal & IP68 Waterproof Fingerprint Standalone Access ControllerThis is a new generation of multi-function standalone access control. It adopts a new ARM core 32-bit microprocessor design, which is powerful, stable, and reliable. It incl…
OP24 series Exit Button is no-touch infrared exit button with Tuya smart APP. It's very stable and sensitive,with automatic adaptability to ambient temperature and humidity,do not affect by the weather or temperature. Output the NO or NC sig…