Compatible decoding module, wireless receiver module, 3V-5V power supply, decoding receiver module, remote control switch receiver module, 433 white duck egg single button set.1. Reliable daily performance: All accessories adopt standardized manufacturing processes. They maintain stable signal transmission, circuit detection and sensor recognition. No frequent signal loss or circuit failure occurs under long-term power-on and normal temperature changes, supporting indoor and outdoor all-day use.2. Easy and user-friendly installation: Every item is designed for non-destructive installation with universal docking ports. No professional modification tools or technical knowledge are required. Both individual users and engineering teams can finish wiring, pairing and fixing efficiently.3. Electrical parts are equipped with insulation and overload protection. Security and vehicle warning devices follow civilian sound-light emission standards. Smart sensors and locks are optimized to reduce false triggers without unauthorized alarm functions.7787. Wear-resistant and anti-aging outer casing resists dust, minor impact and common humidity and temperature erosion. Cross-brand compatibility is supported for easy replacement and daily maintenance.