-  Two Color OLED Display, Six display modes.

      - 4-Direction Display automatically.

      -Visual alarm function. Real-time spot-checks.

      - Low Power consumption. 50 hours of continuous use.s

      - Low Perfusion less than 0.4%

      - Low voltage indicator.

      - Automatic Power off design.

      - Reliable accuracy and durability.

      - Small and light weight, convenient to carry.

      - Vacuum-galvanization technique and UV printing technology employed

       to create this wonderful product with specula appearance, it is

      fashion and durable