
This magnetic sensor is designed for door and window security. When the door or window is opened, the magnetic contact is broken, triggering an alarm or notification.

This motion detection sensor is designed for detecting movement in its vicinity. It features adjustable settings for sensitivity and delay time, suitable for security systems, lighting control, and automation projects.

This AC/DC voltage tester detects voltage levels from 6V to 380V. It features insulated probes and LED indicators for different voltage thresholds.