All 43 products from Guangdong Roule Electronics Co., Ltd..

This WiFi door and window contact sensor wirelessly monitors the open or closed status of doors and windows. It connects to a WiFi network and sends alerts via a mobile app.

This PIR sensor uses passive infrared technology to detect motion. It connects to a WiFi network and can be controlled remotely via a mobile app.

This water leak detector is designed to detect the presence of water and provide an audible alert. It features a moisture sensor and triggers a loud alarm exceeding 95dB upon detecting water.