Clear LED Display: The upgraded LED screen shows real-time voltage and delay. LOP indicates under-voltage protection, and HIP indicates over-voltage protection, giving you clear, at-a-glance status for your appliances.
Premium Flame-Retardant Housing & Screen Protection: Made of high-grade UL94-5VA flame-retardant material for safe and durable use. The display is covered with a removable protective film to help prevent scratches during shipping; please peel it off before use.