✅ LED light source quality: high brightness, color rendering index Ra>80, no flicker, low light decay ✅ Sensor performance: high sensitivity, fast response, strong anti-interference ability ✅ Power drive: stable voltage, high power factor, over-current and over-voltage protection ✅ Heat dissipation design: aluminum alloy radiator, low temperature rise ✅ Shell material and protection: sturdy and durable, high waterproof grade